he police investigate a boy's execution-style murder, which may be connected to another shooting. The incident also leads officers and members of the community to gather for a candlelight vigil.
Jason Beghe Sergeant Hank Voight
Jon Seda Detective Antonio Dawson
Sophia Bush Detective Erin Lindsay
Jesse Lee Soffer Detective Jay Halstead
Patrick John Flueger Officer Kyle Ruzek
Marina Squerciati Officer Kim Burgess
Elias Koteas Detective Alvin Olinsky