4x1 The Vanishing Policeman
12 November 2016
Angie and Vega must adjust their work dynamic while trying to bring a cop killer to justice.
4x2 The Dead Name
19 November 2016
Angie fills in as staff sergeant while investigating a football player's wife's murder.
4x3 Index Case
26 November 2016
The team goes after a killer who is spreading a lethal pathogen across the city.
4x4 The Score
03 December 2016
Angie and Paula investigate the murder of an ex-con; Vega faces his boundary issues with Dr. Rogers and Lucas.
4x5 The Scorpion and the Frog
10 December 2016
A murder with a familiar signature could mean a woman was wrongly convicted of a crime.
4x6 Interference
17 December 2016
The murder investigation of a suburban mom takes a turn when her child is abducted.
4x7 The Dead Hand
07 January 2017
A woman with a bomb takes the bullpen hostage, demanding justice for her son; the team works against the clock to re-investigate his case.
4x8 Foreign Relations
14 January 2017
The murder of a politician’s son draws the attention of Interpol. Vega faces the fallout from decisions he made during the hostage crisis.
4x9 Remains To Be Seen
21 January 2017
The team goes on a hunt through the past to find the killer of a video game designer.
4x10 In Plain Sight
28 January 2017
A woman is found nail-gunned to death; Angie embraces her relationship with Jack; Vega's frustrations force him to look for other options.
4x11 Natural Selection
04 February 2017
A woman is murdered with what appears to be a medieval weapon.
4x12 Chronology of Pain
11 February 2017
Angie races to catch a killer who is an expert at covering their tracks.
4x13 We'll Always Have Homicide
18 February 2017
Three years after a killer gets away, the team reunites to close the case.