A new memoir charts the course of a Boston high school football coach from conference champion to maximum security prisoner.
Clyde "Jack" Dempsey was the charismatic line coach of the Don Bosco Bears in 1973. Just a year after joining the now-closed technical high school, Dempsey led the perennial last-place team to victory in the competitive Catholic Conference championship. It was the only year Don Bosco won the conference.
But in a striking turn of events, less than two decades later, Dempsey would be convicted of second-degree murder and given a life sentence at Cedar Junction, where he died in 2001.
How did a beloved coach go from mentor to murderer?
Kevin Kelly was a lineman on Dempsey's 1974 team. He's written about his relationship with Dempsey in his new book, "Both Sides of the Line."
Kevin Kelly, author of "Both Sides of the Line: My Coach, the Boston Mob Enforcer; My Mentor, The Murderer; The True Story of Clyde Dempsey and the 1974 Don Bosco Bears" and assistant dean of students at Deerfield Academy, which tweets @Deerfield.
This segment aired on August 22, 2016.