Tisch will become the second woman police commissioner in the NYPD’s 179-year history when she officially steps into the role on Monday.

Blue Bloods, which premiered in 2010, followed the lives of the Reagan family, many of whom worked for the NYPD under the leadership of NYC police commissioner Frank Reagan (Tom Selleck).

Donnie Wahlberg is the only Blue Bloods star set to reprise his character on the Boston Blue spinoff — but what has the rest of the cast said about the CBS series? Blue Bloods found a strong ...