On April 3rd, 2017, Assistant Chief Deputy Clint Greenwood is shot dead at point blank range at the Harris County Courthouse outside Houston, Texas. With no witnesses, detectives launch a man hunt. Can security cameras lead them to Clint's killer?

In December 2013, Josh Richards was gunned down in the Luna Lounge nightclub in Appleton, Wisconsin. When detectives delve deeper into the investigation, they discover a camera has the potential to reveal the identity of a cold-blooded killer.