Description by couchtuner for Blue Bloods Season 6 Episode 13 : When a well-regarded, newly retired NYPD lieutenant is accused of shooting a group of potential muggers on the subway and then disappears, Frank must deal with the fallout. Also, when a drug dealer returns to Baez’s old neighborhood, she and Danny must figure out how to arrest him for a murder that Baez witnessed as a child.
Watch It Here : Blue Bloods Season 6 Episode 13 Stomping Grounds