Season 4Public facts
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Episodes
The Vanishing PolicemanThe Vanishing PolicemanOpen episodeWhile 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.
The Dead NameThe Dead NameOpen episodeAngie fills in as staff sergeant while investigating a football player's wife's murder.
Index CaseIndex CaseOpen episodeThe team goes after a killer who is spreading a lethal pathogen across the city.
The ScoreThe ScoreOpen episodeAngie and Paula investigate the murder of an ex-con. Vega faces his boundary issues with Dr. Rogers and Lucas.
The Scorpion and the FrogThe Scorpion and the FrogOpen episodeA murder with a familiar signature could mean a woman was wrongly convicted of a crime.
InterferenceInterferenceOpen episodeThe murder investigation of a suburban mom takes a turn when her child is abducted.
The Dead HandThe Dead HandOpen episodeAngie stays with a soldier who demands justice by taking the bullpen hostage.
Foreign RelationsForeign RelationsOpen episodeAngie partners with an international agent to investigate the murder of a British politician's son.
Remains To Be SeenRemains To Be SeenOpen episodeThe team goes on a hunt through the past to find the killer of a video game designer.
In Plain SightIn Plain SightOpen episodeA woman is found nail-gunned to death. Angie embraces her relationship with Jack. Vega's frustrations force him to look for other options.
Natural SelectionNatural SelectionOpen episodeA woman is murdered with what appears to be a medieval weapon.
Chronology of PainChronology of PainOpen episodeAngie races to catch a killer who is an expert at covering their tracks.
We'll Always Have HomicideWe'll Always Have HomicideOpen episodeThree years after a killer gets away, the team reunites to close the case.