Homicide Hunter: Lt. Joe Kenda - Knock Knock

Seizoen: 7 - Aflevering: 4 / 87 - Eerst uitgezonden: 13 september 2017 - Episode ID: 1569439

A gathering of friends turns deadly when two gunmen shoot William Davis in the head. When the witnesses are unable to provide any solid leads, Kenda and his team dig into his past and start to suspect someone in William's circle is lying.