Season 4
Episodes
1. The Vanishing Policeman
2016-03-22
While Detective Angie Flynn and Staff Sergeant Vega adjust to his new role, the suicide of an officer with whom Angie and Detective Brian Lucas worked on a crime scene turns the team’s investigation into a hunt for a cop killer.
2. The Dead Name
2016-03-29
Angie fills in as staff sergeant while investigating a football player's wife's murder.
3. Index Case
2016-04-05
The team goes after a killer who is spreading a lethal pathogen across the city.
4. The Score
2016-04-12
Angie and Paula investigate the murder of an ex-con. Vega faces his boundary issues with Dr. Rogers and Lucas.
5. The Scorpion and the Frog
2016-04-19
A murder with a familiar signature could mean a woman was wrongly convicted of a crime.
6. Interference
2016-04-26
The murder investigation of a suburban mom takes a turn when her child is abducted.
7. The Dead Hand
2016-07-05
Angie stays with a soldier who demands justice by taking the bullpen hostage.
8. Foreign Relations
2016-07-12
Angie partners with an international agent to investigate the murder of a British politician's son.
9. Remains To Be Seen
2016-07-19
The team goes on a hunt through the past to find the killer of a video game designer.
10. In Plain Sight
2016-07-26
A woman is found nail-gunned to death. Angie embraces her relationship with Jack. Vega's frustrations force him to look for other options.
11. Natural Selection
2016-08-02
A woman is murdered with what appears to be a medieval weapon.
12. Chronology of Pain
2016-08-23
Angie races to catch a killer who is an expert at covering their tracks.
13. We'll Always Have Homicide
2016-08-30
Three years after a killer gets away, the team reunites to close the case.