Yup, and this doesn't even include all the disappearances that never get called homicides. You're disincentivized against calling a case a homicide if you can't

Yup, and this doesn't even include all the disappearances that never get called homicides. You're disincentivized against calling a case a homicide if you can't bring a case—your clearance rate will drop. It also doesn't cover all the clearances which involved an innocent person pleading guilty to avoid heinous sentencing.