There were more than 1,900 murders in St. Louis between 2014 and 2023, and the St. Louis Metropolitan Police Department has failed to solve more than 1,000 of them. That means thousands of family members and friends do not have answers from police about the violent death of their loved ones. Rachel Lippmann has the story, part of an investigation into the city’s homicide clearance rates by St. Louis Public Radio, APM Reports and the Marshall Project.