Years of activism and a legacy of police violence are fueling demands to reimagine public safety.
Houston Police Department
For years, Texas cops left nearly 20,000 rape kits untested while perpetrators went free. Now some agencies are confronting that injustice.
Police misconduct in shootings is "very very difficult" to prove, FBI agent says.
The Houston Police Department rarely punishes its officers for excessive force.
At the Houston Police Department, a lax discipline system keeps negligent cops on the streets.