Blue Bloods — Episode 18: Town Without Pity

You are watching the episode Town Without Pity Frank and Danny work together to help Nick Constantine, a rehabilitated ex-con who Frank put away years ago, when Constantine becomes involved in the murder of an old enemy. As Erin prepares for a murder trial, she learns the prosecutor who previously handled the case is withholding the location of the alleged killer so she can interview him on her popular podcast.