Blue Bloods

Season 6, Episode 18

Episode Title: Town Without Pity

Air Date: 2016-04-01

Overview:

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.