Blue Bloods season 6 episode 21

Air Date: 2016-04-29

The Extra Mile

When a key eyewitness in a murder trial flees out of fear of retaliation, Erin and Anthony spearhead their own two-person manhunt to find him and convince him to testify. Garrett tries to convince Frank to attend the Police Union party. Danny and Baez take a closer look at a suspicious convenience store robbery.