Alva Review-Courier -

BOSTON (AP) — Shaun Harrison was a Boston high school dean and anti-violence advocate known by students as "Rev" for his pastor-like demeanor. But the pious facade hid a dark double life.

He boasted to students of his gang ties, drugs and guns. He recruited one of them, a 17-year-old student from a broken home, to deal marijuana in school, authorities said.

But after a dispute over slumping sales, Harrison shot the teen in the back of the head with a .380 pistol as they walked on a snowy city street in 2015 and left him for dead, prosecutors said.

Except Luis Rodriguez didn't die. He dragged h...