Blue Bloods - Season 3 Episode 18 -

When a man is shot in broad daylight, Danny investigates and learns the man had no enemies or reason for someone to kill him. But another person is later killed and there appears to be no connection between the two victims. He later learns that the second victim got away with murder so he thinks someone is trying to get payback. Erin takes him to the D.A. who prosecuted the second victim, the man's irate about the victim because he feels she should have been convicted. And when a third person is killed, Erin figures out what the link is. Jamie finds a boy wandering ...