Gang Management / Violence Reduction
Gang Separation as Violence Reduction Strategy: Georgia vs. Other States
This GPS investigative research brief examines the critical failure of Georgia's prison system to implement gang separation strategies that have proven effective in other states like Texas, Arizona, and California. With 31% of Georgia's ~49,000 inmates validated as gang members across 315 gangs, at least 100 homicides in 2024, and a 56% staffing collapse since 2014, gangs effectively control housing units, contraband, and daily life in many facilities. Despite strong evidence that systematic gang separation reduces violence—Arizona saw over 50% reductions in assaults among segregated gang members and 30% system-wide reduction in rule violations—Georgia's $600 million emergency spending proposal explicitly omits gang management reform, relying instead on infrastructure spending and criminal prosecution.
Pre-written explainers based on this research
All Data Points
85 verified data points extracted from primary sources.
GDC recorded at least 66 homicides in 2024 Statistic
In 2024, the Georgia Department of Corrections recorded at least 66 homicides in its facilities.
66 homicides
AJC confirmed at least 100 homicides in GDC in 2024 Statistic
The Atlanta Journal-Constitution confirmed at least 100 homicides in Georgia's prisons in 2024, significantly higher than GDC's acknowledged count of 66.
100 homicides vs. GDC acknowledged count
GPS identified 330 total deaths in GDC custody in 2024 Statistic
Georgia Prisoners' Speak identified 330 total deaths in GDC custody in 2024, making it the deadliest year in state history.
330 deaths in custody
56% decline in GDC correctional officers from 2014 to 2024 Statistic
GDC employed 6,383 correctional officers in 2014. By 2024, that number had dropped to 2,776—a 56% decline—while the prison population remained essentially flat at around 49,000.
56%
GDC employed 6,383 correctional officers in 2014 Statistic
In 2014, GDC employed 6,383 correctional officers.
6,383 correctional officers
GDC employed 2,776 correctional officers in 2024 Statistic
By 2024, GDC employed only 2,776 correctional officers, down from 6,383 in 2014.
2,776 correctional officers vs. 2014 count
31% of GDC inmates are validated gang members Statistic
GDC Commissioner Tyrone Oliver confirmed approximately 31% of the total inmate population—roughly 15,200 of the system's ~49,000 inmates—are validated Security Threat Group offenders with gang affiliation.
31% vs. national average
GDC validated inmates across 315 different gangs Statistic
GDC has validated inmates across 315 different gangs, a number far exceeding the 12 recognized STGs in Texas.
315 gangs vs. Texas recognized STGs
GDC validated 12,444 gang-affiliated inmates by 2017 Statistic
As of 2017, GDC had validated 12,444 inmates across 315 different gangs.
12,444 validated gang inmates
GDC validated gang population grew to ~15,000 by 2019 Statistic
By 2019, the number of validated gang-affiliated inmates in GDC had grown to approximately 15,000.
15,000 validated gang inmates vs. 2017 count
Validated gang population nearly doubled since 2014 Trend
The Guidehouse consultants hired by Governor Kemp reported that the number of validated gang members in GDC has nearly doubled since 2014.
National gang affiliation rate in state prisons is approximately 13% Statistic
The National Institute of Justice estimates that approximately 200,000 of the 1.5 million people incarcerated in U.S. state prisons are gang-affiliated, or about 13%. Georgia's 31% rate is more than double the national average.
13% vs. Georgia rate
Approximately 200,000 gang-affiliated people in U.S. state prisons Statistic
The National Institute of Justice estimates that approximately 200,000 of the 1.5 million people incarcerated in U.S. state prisons are gang-affiliated.
200,000 gang-affiliated inmates nationally
DOJ found gangs control day-to-day prison life in Georgia Finding
The DOJ found that gangs control multiple aspects of day-to-day life in the prisons investigated, including access to phones, showers, food, and bed assignments. Gang members dictate where non-gang prisoners sleep, overriding the housing assignments…
DOJ: Breakdowns in basic security opened path for gang control Quote
The DOJ described the situation as a systemic breakdown: 'breakdowns in basic security procedures' had opened 'a path for gang control over much of the prison system.'
DOJ: Gang-related criminal activity exists across the GDC system Quote
The DOJ concluded that 'gang-related criminal activity exists across the [GDC] system, with some of the larger gangs operating sophisticated networks across several facilities and in the free world.'
Guidehouse: Gangs effectively running some facilities Quote
The Guidehouse consultants independently confirmed that at some prisons, gangs are 'effectively running the facilities.'
Gangs sell bed space and extort families for protection Finding
Gangs are selling bed space, forcing prisoners to sleep on floors or in common areas. They extort family members to pay for protection. They use violence to collect debts from cellphone and drug sales. They pressure female prisoners for sex recorded…
7 homicides in GDC facilities in 2018 Statistic
In 2018, there were 7 homicides in GDC facilities.
7 homicides
94 people killed in GDC 2021-2023, a 95.8% increase over 2018-2020 Statistic
Between 2021 and 2023, 94 people were killed in GDC facilities, representing a 95.8% increase over the 2018-2020 period of 48 deaths.
94 homicides vs. 2018-2020 period
48 homicides in GDC during 2018-2020 Statistic
During the 2018-2020 period, there were 48 homicides in GDC facilities.
48 homicides
Georgia in-prison homicide rate nearly eight times national average Statistic
The DOJ estimated that Georgia's in-prison homicide rate was nearly eight times the national average.
8.0x times the national average
Over 1,400 violent incidents in Georgia prisons Jan 2022-Apr 2023 Statistic
Between January 2022 and April 2023, Georgia's close- and medium-security prisons recorded more than 1,400 violent incidents—and the DOJ emphasized that this was a severe undercount due to chronic underreporting.
1,400 violent incidents
Four inmates died in January 2026 Washington State Prison gang disturbance Case detail
In January 2026, four inmates died in a gang-related disturbance at Washington State Prison. GDC described it as a 'disturbance' involving 'multiple inmates believed to be gang-affiliated.'
Two deaths from gang altercation at Hancock State Prison January 2025 Case detail
In January 2025, two deaths resulted from a gang altercation at Hancock State Prison.
Nine hospitalized from gang fight at Wilcox State Prison in 2025 Case detail
Nine people were hospitalized from a gang fight at Wilcox State Prison in 2025.
GPS estimates 800-1,200 non-fatal assault victims in GDC in 2024 required medical treatment Statistic
GPS's own analysis estimates that 800 to 1,200 non-fatal assault victims in 2024 required some level of medical treatment, with emergency trauma costs ranging from $20,000 to $40,000 per patient and inpatient hospitalization adding $2,000 to $3,000 …
1,000 estimated assault victims requiring treatment
More than half of CO positions unfilled in 20 of 34 state prisons Statistic
The Guidehouse consultants found that in 20 of 34 state prisons, more than half of correctional officer positions were unfilled.
20 prisons with >50% CO vacancy vs. total state prisons
Eight prisons had CO vacancy rates exceeding 70% Statistic
In eight GDC prisons, the correctional officer vacancy rate exceeded 70%. The national standard for a functional prison is a vacancy rate of no more than 10%.
8 prisons with >70% CO vacancy vs. national standard maximum vacancy rate (percent)
Only 118 officers hired from 800 applicants over six months Statistic
Over a recent six-month period, GDC was able to hire only 118 officers for every 800 applicants—a yield of about 15%.
15%
82.7% of newly hired GDC officers quit within first year Statistic
Of those correctional officers hired by GDC, 82.7% quit within the first year between January 2021 and November 2024.
82.7%
Single officer responsible for tracking 400 beds at one facility Finding
DOJ investigators described one facility where a single officer was responsible for tracking 400 beds. At that ratio, supervision is a fiction.
Consultants described working in GDC as 'constant fear and fatigue' Quote
The Guidehouse consultants described working in a Georgia prison as a job characterized by 'constant fear and fatigue.'
42% of locks non-functional at Hays State Prison in 2012 audit Statistic
A 2012 audit at Hays State Prison found approximately 42% of locks non-functional or easily defeated. The Guidehouse consultants found widespread failure of locks on cell doors persisting across the system.
42%
Commissioner Oliver: Repairing all cell locks 'will take years' Quote
Commissioner Tyrone Oliver acknowledged that repairing all the locks on cells alone 'will take years.'
Arizona STG program reduced assaults and other violations by over 50% among segregated gang members Statistic
Arizona's Security Threat Group program, evaluated by researchers at Arizona State University (Fischer/Griffin, 2002), found that placing gang members in the SMU II produced dramatic results: rates of assault, drug violations, threats, fighting, and…
50%
Arizona STG program produced 30% system-wide reduction in total rule violations Statistic
The Arizona STG program produced a system-wide deterrent effect with a 30% reduction in overall violations after the implementation of gang segregation policies.
30%
Arizona STG program may have prevented 22,000 rule violations system-wide Statistic
Researchers estimated that Arizona's system-wide STG implementation may have prevented as many as 22,000 rule violations, including 5,700 violations among gang members specifically.
22,000 estimated prevented rule violations
Arizona gang members committed violations at 2-3x rate of non-gang inmates Statistic
Gang members in Arizona's prisons committed disciplinary violations at a rate two to three times that of non-gang inmates, confirming that targeted intervention is warranted.
2.5x times higher violation rate (range 2-3x)
TDCJ formally recognizes 12 Security Threat Groups Statistic
The Texas Department of Criminal Justice formally recognizes 12 Security Threat Groups and monitors numerous additional 'disruptive groups.'
12 recognized STGs
Texas GRAD program is a nine-month, three-phase exit pathway Policy
TDCJ offers the GRAD (Gang Renouncement and Disassociation) program, a structured nine-month, three-phase exit pathway for inmates who wish to leave gang life. Phase I (~2 months): substance abuse and chaplaincy. Phase II (~4 months): cognitive inte…
Texas automatic segregation for confirmed STG members Policy
In TDCJ, after a formal confirmation process, members of the recognized STGs are automatically placed in administrative segregation. This is a status-based decision—membership alone triggers separation, not just observed behavior.
Texas gang separation led to dramatic drop in gang-related incidents 1990-1999 Finding
Data from the Texas prison system from 1990 to 1999 showed that after implementing wholesale placement of gang affiliates in restrictive housing, gang-related incidents dropped dramatically. Research by Ralph and Marquart (1991) demonstrated that se…
Over 500 prisoners held in Pelican Bay SHU for over 10 years under old California regime Statistic
At Pelican Bay State Prison alone, more than 500 prisoners had been held in the SHU for over 10 years, and 78 prisoners had been there for over 20 years, based solely on alleged gang affiliation rather than specific violent conduct.
500 prisoners in SHU over 10 years
78 prisoners at Pelican Bay SHU for over 20 years Statistic
At Pelican Bay State Prison, 78 prisoners had been held in the SHU for over 20 years under California's pre-reform gang-based indefinite isolation policy.
78 prisoners in SHU over 20 years
Ashker settlement transformed California from status-based to behavior-based gang housing Legal fact
The 2015 Ashker v. Governor of California settlement fundamentally transformed California's approach from a status-based system to a behavior-based system. CDCR would no longer place inmates in the SHU based solely on gang affiliation; placement req…
CDCR reviewed 1,274 SHU inmates by June 2015; 910 released to general population Statistic
By June 2015, CDCR's Departmental Review Board had conducted 1,274 reviews of SHU inmates. Of those, 910 were released or endorsed for release to general population, and 321 were placed in the Step-Down Program.
1,274 SHU inmate reviews
No evidence California policy changes led to increased gang activity Finding
California's Legislative Analyst's Office found no evidence that the Ashker settlement policy changes led to increased gang activity. Key violence metrics were actually heading in a positive direction.
30-36% of states segregate individuals solely based on gang affiliation Statistic
A 2010 review of 42 state policies and a 2012 survey of 44 prison systems found that between 30% and 36% of states segregated individuals solely on the basis of gang affiliation.
33%
Gang affiliates 6-71 times more likely to be in restrictive housing Statistic
Administrative data from California, Colorado, and Texas showed that gang affiliates were between 6 and 71 times more likely to be placed in restrictive housing than non-gang inmates.
12% of gang affiliates in restrictive housing vs 4% of non-gang inmates nationally Statistic
Nationally, about 12% of gang affiliates in U.S. prisons are in restrictive housing on any given day, compared to just 4% of non-gang inmates—a relative risk over 3 times greater.
12% vs. percent of non-gang inmates in restrictive housing
NIJ: Step-down and gang-exit programs are a 'positive move' Quote
The NIJ concluded that 'the introduction of programs such as step-down (unambiguous, incentive-based steps toward general population housing) and gang-exit (treatment-based efforts to promote renouncement and disassociation) is a positive move towar…
NIJ: No gang-exit programs rigorously shown to permanently remove people from gangs Data gap
The NIJ noted that no programs to date have been rigorously shown to effectively remove people from prison gangs permanently, and called for programs to be held to leading scientific standards of evaluation.
Georgia has no systematic gang separation housing policy Finding
Despite identifying 31% of its incarcerated population as validated gang members, Georgia has no systematic gang separation housing policy, no structured gang renouncement or exit program, and no dedicated operational strategy for keeping rival fact…
GDC STG Unit focuses on intelligence, not housing management Finding
The GDC STG Unit's self-described mission is to 'effectively validate STG related persons, gather intelligence on STG related criminal activities, and provide investigative support in all STG related occurrences.' This is an intelligence function, n…
GDC classification SOPs do not use gang affiliation as primary housing determinant Policy
GDC's classification SOPs (220.02, 220.03) address security classification and housing assignment based on offense severity, sentence length, and behavior—but not gang affiliation as a primary housing determinant.
GDC gang incident response is reactive, not proactive Finding
GDC's response to gang incidents is reactive, not proactive. When conflicts arise, facilities go on lockdown. The DOJ documented this pattern: violence erupts, a lockdown is imposed, the lockdown eventually lifts, and the same gang-controlled dynami…
Kemp $600M proposal omits gang management reform Finding
Governor Kemp's $600 million emergency spending proposal addresses staffing and infrastructure but explicitly omits gang management reform. The AJC noted that the recommendations 'speak directly to some of the DOJ's concerns—particularly staffing an…
AJC: Kemp recommendations don't address gang member management Quote
The AJC explicitly noted: 'The Kemp recommendations announced Tuesday speak directly to some of the DOJ's concerns—particularly staffing and facility conditions—but not others, including sexual safety and the management of gang members.'
Kemp proposal includes $40M for new prison planning and 3,000-bed prison Policy
Governor Kemp's January 2025 budget proposal includes $40 million for planning and design of a new prison, a new 3,000-bed prison behind Washington State Prison, 446 additional private prison beds, four 126-bed modular correctional units, a five-per…
AG Carr's Gang Prosecution Unit secured 52 convictions, 140+ indictments Statistic
Attorney General Chris Carr created Georgia's first statewide Gang Prosecution Unit, which has secured 52 convictions and indicted more than 140 individuals across 13 counties.
52 gang convictions
16 defendants convicted in Barrow County gang-prison operation Case detail
Recent high-profile cases include the conviction of 16 defendants in Barrow County for a gang operation that was directing criminal activity both inside and outside prisons, including ordering hits, trafficking fentanyl, and recruiting.
Georgia relies on prosecution, not correctional management, for gang strategy Finding
Georgia's primary gang strategy at the state level is criminal prosecution, not correctional management. Texas uses prosecution as one element of a comprehensive strategy that also includes housing-based separation, intelligence-driven classificatio…
GPS: Kemp proposal is 'infrastructure without transformation' Quote
GPS's analysis of the spending proposal concluded that it represents 'infrastructure without transformation. Locks get replaced. Walls get thicker. Beds get "hardened." But culture and care—the human infrastructure that makes safety possible—are not…
DOJ already found Georgia in violation of Eighth Amendment Legal fact
The DOJ has already found Georgia in violation of the Eighth Amendment for failing to protect inmates from violence. The state is currently negotiating a potential settlement that could include federal oversight.
Escalating homicide trend in GDC tracks with gang expansion and staffing collapse Trend
The escalation in homicides tracks directly with the expansion of gang control and the collapse of staffing, from 7 homicides in 2018 to at least 100 confirmed by AJC in 2024.
Ohio study: gang affiliates leaving restrictive housing fared worse afterward Finding
An Ohio study found that gang affiliates leaving restrictive housing fared worse afterward, engaging in higher levels of misconduct—suggesting that separation without programming and structured reintegration may simply delay rather than prevent viol…
Arizona renounced gang members showed non-significant violation decreases Finding
Among gang members who formally renounced their membership in Arizona, some disciplinary violations decreased, though the reductions were not statistically significant, suggesting that renouncement programs need to be paired with robust post-exit su…
GDC has no structured gang renouncement or exit program Data gap
Georgia has no structured gang renouncement or exit program, unlike Texas (GRAD/RP-GRAD programs), Arizona (STG program with renouncement option), and California (Step-Down Program).
COs count prisoners as present in assigned locations when they're actually elsewhere Finding
Correctional officers, vastly outnumbered, play along with gang-controlled housing—counting prisoners as present in their assigned locations when they are actually sleeping wherever the gangs have placed them.
Prisoners can leave cells at will due to infrastructure failures Finding
The Guidehouse consultants found that prisoners can leave their cells at will, enter other cells, access pipe chases and ventilation areas, reach rooftops, and move freely between housing areas due to widespread failure of locks, hollow-wall constru…
California gang leaders directed operations from inside Pelican Bay SHU Finding
Gang leaders like members of Nuestra Familia demonstrated that they could order hits, run drug operations, and direct extortion rackets from inside the SHU at Pelican Bay through notes hidden in legal mail and messages carried by parolees.
Texas RP-GRAD program for returning gang-validated offenders Policy
For repeat offenders returning to TDCJ who would otherwise be automatically placed in restrictive housing due to prior gang validation, the six-month RP-GRAD (Returning Population) program allows immediate engagement in a renouncement process, incor…
Texas gang membership consequences include parole impact Policy
TDCJ makes the costs of continued gang membership concrete: no contact visits, restricted phone access, no participation in academic or vocational activities, no work assignments, restricted movement, placement in restrictive housing, notification o…
Ashker settlement created 5-year maximum involuntary Pelican Bay SHU hold Legal fact
Under the 2015 Ashker settlement, no prisoner could be held involuntarily at Pelican Bay SHU for more than 5 years. A Step-Down Program was created: a two-year, four-step process for inmates whose SHU-eligible violations were gang-related.
GDC prison population approximately 49,000 Statistic
Georgia's prison population remained essentially flat at around 49,000 inmates while correctional officer staffing collapsed by 56%.
49,000 inmates (approximate)
2023 was record homicide year at time with 35-38 deaths Statistic
In 2023, GDC recorded 35-38 homicides, which was a record at that time before 2024 surpassed it.
37 homicides (range 35-38)
DOJ chronic underreporting of violent incidents in Georgia prisons Data gap
The DOJ emphasized that the 1,400+ violent incidents recorded in Georgia's close- and medium-security prisons between January 2022 and April 2023 was a severe undercount due to chronic underreporting.
Emergency trauma costs $20,000-$40,000 per patient; hospitalization $2,000-$3,000 per day Statistic
GPS estimates emergency trauma costs ranging from $20,000 to $40,000 per patient and inpatient hospitalization adding $2,000 to $3,000 per day for assault victims in Georgia's prisons.
Georgia does not publicly account for tens of millions in medical costs from prison violence Data gap
If even half of the estimated 800-1,200 assault victims requiring treatment were hospitalized, Georgia taxpayers shouldered tens of millions in medical costs that the state does not publicly account for.
Segregating gang leaders alone was insufficient to reduce violence in Texas Finding
Research by Ralph and Marquart (1991) demonstrated that while segregating or transferring gang leaders alone was not sufficient to reduce violence, the wholesale separation of confirmed gang affiliates produced major reductions in both homicide and …
Women arrested for inciting a riot at Lee Arrendale State Prison in 2025 Case detail
In 2025, women were arrested for inciting a riot at Lee Arrendale State Prison, part of the continuing pattern of violence in GDC facilities.
Approximately 10-12 homicides in GDC in 2019 Statistic
In 2019, there were approximately 10-12 homicides in GDC facilities.
11 homicides (range 10-12)
Arizona STG program formalized through policy revisions 1991-1997 Policy
The Arizona Department of Corrections instituted its Security Threat Group (STG) Program in stages beginning in 1991, formalizing it through a series of policy revisions in 1994, 1995, and 1997.
CDCR continued using confidential informants problematically post-Ashker Finding
Compliance monitoring revealed that CDCR continued to use confidential informants to make gang 'validations' that were used to keep people in segregation and deny parole—in some cases relying on information that was inaccurate, exaggerated, or fabri…
Sources
44 cited sources backing this research.
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Key Entities
Organizations, people, facilities, and other named entities referenced in this research.
Arizona Department of Corrections
[organization]
Ashker v. Governor of California
[case]
Brian Kemp
[person]
California Department of Corrections and Rehabilitation
[organization]
Center for Constitutional Rights
[organization]
Chris Carr
[person]
Danny Troxell
[person]
David C. Pyrooz
[person]
Georgia Department of Corrections
[organization]
Georgia Gang Prosecution Unit
[organization]
Georgia Prisoners' Speak
[organization]
Georgia Senate Study Committee on the Department of Corrections
[organization]
GRAD Program
[program]
Guidehouse
[organization]
Hancock State Prison
[facility]
Hays State Prison
[facility]
Kristen Clarke
[person]
Lee Arrendale State Prison
[facility]
Marie L. Griffin
[person]
National Institute of Justice
[organization]
Nuestra Familia
[organization]
Pelican Bay State Prison
[facility]
RP-GRAD Program
[program]
Security Threat Group Management Office
[organization]
Texas Department of Criminal Justice
[organization]
Todd Ashker
[person]
Tyrone Oliver
[person]
U.S. Department of Justice
[organization]
Wilcox State Prison
[facility]