In 1965, American law enforcement cleared 93 percent of all homicide cases. Detectives had smaller caseloads. Communities trusted police. The forensic gap between investigators and criminals was narrow enough that shoe-leather detective work could close it.
By 2023, that clearance rate had fallen to roughly 50 percent. According to data compiled by the Murder Accountability Project -- the most comprehensive independent tracker of homicide data in the United States -- the national clearance rate for murder has been in free fall for six decades. In some major cities, it is far worse. Baltimore cleared just 32 percent of its homicides in 2022. Chicago cleared 26 percent. In parts of St. Louis, the figure dipped below 20 percent.
This is not a statistical anomaly. It is a systemic collapse.
What the Numbers Actually Mean
A "clearance" in FBI Uniform Crime Reporting does not mean a conviction. It means an arrest was made, or the case was "exceptionally cleared" -- meaning police identified a suspect but could not make an arrest for reasons outside their control, such as the suspect dying. The actual conviction rate for homicides is lower still, estimated at around 30 to 40 percent nationally.
Put differently: in the United States today, you are more likely to get away with murder than to be caught. That statement is not hyperbole. It is what the Bureau of Justice Statistics data shows.
The Murder Accountability Project estimates there are approximately 250,000 unsolved homicides in the United States since 1980. A quarter of a million victims whose families have no answers. A quarter of a million killers who were never held accountable. And that number grows by roughly 6,000 every year -- the gap between total homicides and those that are cleared.
What Drove the Collapse
There is no single cause. Researchers point to a constellation of factors that have compounded over decades.
Eroding community trust. The clearance rate collapse tracks closely with the breakdown in police-community relations, particularly in Black and Latino neighborhoods that bear a disproportionate share of violent crime. When witnesses do not trust police, witnesses do not come forward. A 2019 study published in the Journal of Criminal Justice found that community cooperation is the single strongest predictor of whether a homicide is solved. No cooperation, no clearance.
Underfunded crime labs. The National Institute of Justice has documented persistent backlogs in forensic laboratories across the country. DNA evidence that could close cases sits untested for months or years. The Bureau of Justice Statistics reported that publicly funded forensic crime labs had a backlog of over 570,000 requests in recent years. Some jurisdictions wait over a year for toxicology results.
Detective caseloads. The Police Executive Research Forum recommends that homicide detectives carry no more than five active cases at a time. In many departments, detectives carry fifteen or twenty. Cases get triaged. Some never get investigated at all.
Stranger homicides. In the 1960s, most murders involved people who knew each other. Those cases are relatively straightforward to investigate. Today, a larger share of homicides involve strangers -- drug market violence, random acts, serial offenders. These cases are harder to solve, and departments have not scaled their capabilities to match.
The revolving door. Homicide units in many cities face chronic turnover. Experienced detectives retire or transfer. Institutional knowledge walks out the door. Cold case units, where they exist, are typically staffed by one or two detectives responsible for hundreds or thousands of cases.
The Budget Problem
American law enforcement spending has increased dramatically over the past two decades. According to the Bureau of Justice Statistics, state and local governments spent over $150 billion on police in 2020. Yet clearance rates have continued to fall. The money is not going where it would improve outcomes.
A 2022 analysis by the Vera Institute found that a majority of police budgets go to patrol and response -- not to investigations, forensics, or case follow-up. Departments are spending more money to do less detective work. The militarization of police equipment budgets, the expansion of surveillance technology, and the growth of administrative overhead have consumed resources that could fund forensic labs, hire detectives, and process evidence backlogs.
Meanwhile, federal funding for cold case investigation remains negligible. The National Institute of Justice's cold case programs receive a fraction of the DOJ's total budget. Most cold case units are funded by local departments out of existing budgets, which means they are the first to be cut when money gets tight.
What This Means for Families
Behind every unsolved case is a family waiting for answers. The psychological toll of ambiguous loss -- not knowing what happened to a loved one, not having accountability -- is well documented. Studies published in the Journal of Traumatic Stress show that families of unsolved homicide victims experience higher rates of depression, PTSD, and complicated grief than families of victims in solved cases.
These families are not asking for miracles. They are asking for their cases to be worked. Many of them report that after the initial investigation stalls, they never hear from detectives again. Phone calls go unreturned. Case files gather dust. The message is clear: your loved one is not a priority.
Why Citizen Investigation Matters Now
None of this means that citizen investigators should replace professional law enforcement. They should not. But the data makes an uncomfortable argument impossible to ignore: institutions are failing at this, and the gap between what is possible and what is being done is enormous.
Citizen investigators bring something that understaffed departments cannot: time, focus, and fresh eyes. They can review publicly available evidence. They can identify connections that overworked detectives missed. They can file FOIA requests to surface buried documents. They can keep cases alive in public consciousness when departments have moved on.
This is not about playing detective. It is about applying collective intelligence to a problem that institutions have demonstrably failed to solve on their own. When 50 percent of murders go unsolved, the question is not whether citizens should get involved. The question is what took so long.