How America’s Murder Clearance Plunged 93 % to 50 % and the Fix

When Nicole Gardner’s daughter Ronique was killed in Richmond, California, detectives stopped returning her calls. “No one was saying anything to me,” she recalled, years after the murder remained unsolved. Gardner’s grief is tragically common. In 2024, the national homicide‑clearance rate, the share of killings solved by police, hovered around 58 percent, up slightly from 52.3 percent two years earlier. Put differently, nearly half the nation’s killers are never brought to justice.

That statistic would have stunned detectives in the early 1960s. In 1962 the FBI reported a clearance rate of 93 percent. Today, homicide is the only violent‑crime category that clears even half its reported cases; rape, robbery, and aggravated assault fare far worse. Murders themselves declined by 14.9 percent in 2024, but the clearance rate refused to rebound alongside them.

Why have we slid so far, and how do we climb back without reviving the wrongful‑conviction machinery of the past? The answer lies in three intertwined factors, along with evidence‑rich reforms already working in several cities.

A sixty‑year view of FBI data shows a steady fall from the 93 percent high‑water mark through the 1990s, a plateau near 65 percent in the early 2000s, and a second dip after 2016 that pushed clearance just above 50 percent (Braga & Dusseault 2018; Ousey & Lee 2010; Asher 2023a; Right On Crime report). Additionally, gun homicides involving Black victims account for a disproportionate share of that decline.

Killings of black people lead to arrests less often than when victims are white
No arrests were made in the homicides of more than 18,600 black men and women.www.washingtonpost.com

Since 1989, the National Registry of Exonerations has documented more than 3,800 homicide exonerations, 54 percent of them Black defendants. Black exonerees wait on average three years longer than white exonerees to win freedom; safeguards built to prevent such injustices raise the evidentiary bar, and if police departments fail to meet it, cases go cold instead of wrong.

Police investigators face several overlapping hurdles that help explain the falling solve rate. First, detective staffing never recovered after the 2020 budget shock, and in some large cities individual investigators now carry double the caseload they handled in 2013. Heavy loads leave scant time for the neighborhood canvasses and repeat witness interviews that actually close cases.

Homicide database: Mapping unsolved murders in major U.S. cities
In America's major cities, this is where murders go unsolved.www.washingtonpost.com

Second, cooperation erodes when communities lose faith: Gian Maria Campedelli’s thirty-year study shows that killings with Black victims are 3.4 to 4.8 percentage points less likely to be cleared than those with white victims, and families like Nicole Gardner’s describe a cycle in which perceived indifference breeds mistrust, mistrust suppresses testimony, and silence keeps cases cold.

Third, forensic laboratories are swamped. The National Institute of Justice counted fifty-seven thousand violent-crime DNA samples awaiting analysis, and in some jurisdictions a kit waits four hundred days before testing, long past the point when leads grow stale.

Paradoxically, the very safeguards that caused these delays have cut the false-conviction rate. Exoneration data reveal that modern rules protect Black suspects who once shouldered the brunt of coerced confessions and junk science, meaning fewer innocent people are incarcerated. Interestingly, criminologists Charles Tittle and Arnold Rowe found that every ten-point drop in clearance is linked to one or two additional homicides per one-hundred-thousand residents each year.

Currently, families suffer twice, first from the loss and then from the unanswered questions. Gardner speaks of the “deep, deep love” that fuels her public pleas, while Vickie McGaugh, whose son Andre was murdered in Sacramento, now runs support groups because “all you want is for someone to have compassion.” Each unsolved killing remains both an intimate grief and a civic failure.

Reforms that are already delivering measurable results show a practical path forward. Arizona’s statewide Rapid DNA rollout, piloted by the Department of Public Safety, produces a preliminary genetic profile in under two hours and had generated more than 530 investigative leads by June 2020 (CACP, “It’s Time to Expedite Crime Solving with Rapid DNA,” 2021).

The City of Phoenix demonstrates what focused expertise can do: after veteran detectives were reassigned to decades-old homicide files, the city’s clearance rate climbed from 78 percent in 2020 to more than 92 percent by 2023 (ABC 15, 3 Oct 2023). Firearms investigations benefit from data fusion as well; jurisdictions that fully integrate the National Integrated Ballistic Information Network often double their gun-homicide clearance rates within eighteen months, according to a 2024 Joyce Foundation study of crime-gun intelligence tools.

Community trust programs matter, too. Oakland’s Ceasefire initiative pairs detectives with neighborhood leaders who shield and compensate witnesses, easing fears of retaliation and lifting clearance rates even without extra personnel (City of Oakland, Ceasefire Strategy). Finally, agencies that cap detectives at five new homicide cases a year and publish real-time workload dashboards solve 10 to 15 percentage points more murders than comparable departments, a trend documented by the Washington Post on 13 September 2018.

None of these strategies require limiting discovery rights or rolling back Miranda warnings; they replace the old shortcut of coerced confessions with a new shortcut grounded in quickly processed, reliable evidence.

Citizens can help, too. Anyone can open the FBI Crime Data Explorer, pull a Return A spreadsheet, and see exactly how often local detectives solve killings. Residents can press lawmakers for enforceable laboratory timetables: the National Institute of Justice counts more than 57 000 unanalyzed violent-crime DNA samples nationwide (NIJ Report 203970), and labs that promise 90-day turnarounds yet average 270 need both funding and oversight. Community members can also back witness-assistance funds, because fear, rather than apathy, keeps many eyewitnesses silent, and relocation stipends cost far less than the cost of violent crime.

Ultimately, raising the national clearance rate just ten percentage points, from the low‑50s to the low‑60s, would solve roughly 2,000 additional murders every year. That number exceeds the annual gun‑homicide toll of many entire European countries. It is achievable: several mid‑size U.S. cities already clear two‑thirds of homicides after adopting the playbook above.

Justice, in the end, is two‑fold: protecting the innocent from wrongful conviction and bringing the guilty to account. Six decades ago we did the latter at the cost of the former. Today we risk the inverse. A data‑driven, resource‑smart strategy can end the false choice and honor families like Nicole Gardner’s with something better than silence.

Christopher Armitage writes on law enforcement, public policy, and criminology. He recently published The New Blue: A Comprehensive Guide to Innovative Policing.

The New Blue: A Comprehensive Guide to Innovative Policing
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Works Cited

FBI. “FBI Releases 2024 Reported Crimes in the Nation Statistics.” August 5, 2025. (Federal Bureau of Investigation)
FBI Crime Data Explorer. Reported U.S. Violent Crime Trends, January–December 2024. (Landing page that shows murder −14.9 percent, violent crime −4.5 percent.) (cde.ucr.cjis.gov)
Cook, Philip J., and Andrew Mancik. “The Sixty-Year Trajectory of Homicide Clearance Rates: Toward a Better Understanding of the Great Decline.” Annual Review of Criminology 7 (2024): 59–83. DOI: 10.1146/annurev-criminol-022422–122744. (Scholars@Duke)
Asher, Jeff. “Murder Clearances Were Near an All-Time Low Nationally in 2022.” Jeff-alytics, Substack, 2023. (Documents the 52.3 percent national clearance figure for 2022.) (Jasher)
Asher, Jeff. “Actually, Murder Clearance Rates Probably Rose A Good Bit in 2024.” Jeff-alytics, Substack, June 30, 2025. (Explains why 2024’s rate likely rebounded into the high-50s.) (Jasher)
Pew Research Center. “What the data says about crime in the U.S.” April 24, 2024. (Handy reference for clearance rates across offense types.) (Pew Research Center)
Kelly, Kimbriell; Wesley Lowery; and Steven Rich. “Even with murder rates falling, big-city detectives face daunting caseloads.” Washington Post, September 13, 2018. (The Washington Post)
The Washington Post. “Murder With Impunity” project hub and methodology. 2018. (Includes city-level “Where Murders Go Unsolved” data and tools.) (The Washington Post)
Williams, Aaron; Lowery, Wesley; and Rich, Steven. “Killings of black people lead to arrests less often than when victims are white.” Washington Post, July 25, 2018. (Pew Research Center)
The Washington Post. “Where Murders Go Unsolved” datasets and city pages. 2018. (Jasher)
Campedelli, Gian Maria. “Homicides involving Black victims are less likely to be cleared.” Criminology (2024). DOI: 10.1111/1745–9125.12362. (Wiley Online Library)
National Registry of Exonerations. “Race and Wrongful Convictions in the United States, 2022.”
National Registry of Exonerations. “Homicide” topic overview and data (2020 update and live database).
National Institute of Justice. “National Forensic DNA Study Report.” Grant 203970. (Identifies more than 57,000 unanalyzed violent-crime DNA cases in public labs at the time of the study, plus large numbers not yet submitted.) (Office of Justice Programs)
Colorado Association of Chiefs of Police. “It’s Time to Expedite Crime-Solving with Rapid DNA.” July 2021 PDF. (Summarizes Arizona’s statewide Rapid DNA implementation and early investigative leads.)
Joyce Foundation. “Optimizing Crime Gun Intelligence Tools.” July 2024 PDF. (Evidence on NIBIN and related tools’ impact on investigations and clearances, with jurisdiction-specific results.)
City of Oakland. “Ceasefire Strategy.” Program overview and outcomes. (Oakland City Government)
ICPSR. “Uniform Crime Reporting Program Data: Offenses Known and Clearances by Arrest, United States, 2022.” DOI: 10.3886/ICPSR39066.v1. (ICPSR)
Right On Crime. “Ensuring Justice: Innovative Approaches to Improve Crime Clearance Rates.” December 2024. (Right On Crime)
Tittle, Charles R., and Alan R. Rowe. “Certainty of Arrest and Crime Rates.” The Sociological Quarterly 17, no. 2 (1976). DOI: 10.1177/002242787601300205. (Arizona Department of Public Safety)
Murder Accountability Project — Thomas Hargrove. “UCR 1965–2020: Homicide Clearances” interactive Tableau. (Center for American Progress)
FBI. “Clearances” topic page and definitions. (Explains cleared by arrest vs. exceptional means.) (Federal Bureau of Investigation)
The Guardian. Abené Clayton. “Black homicide cases less likely to be solved than white cases.” February 21, 2024. (Quotes Gardner and McGaugh on the human toll.) (Right On Crime)