Season 4, Episode 1 Unwritten Rules
First Aired: September 27, 2013
In the fourth-season opener, a cop killer is arrested, but Erin drops the charges against the suspect due to lack of evidence. Following her legal actions, friction results between her and the police officers in her family.
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- Premiered: September 24, 2010
- Rating: TV-14
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- Premise: A New York crime drama focusing on a multigenerational family of cops that includes the city's police commissioner, his two sons and his retired father. (more)