Dwight Muhammad Qawi, who learned to box in prison and won titles at two different weight classes, dies after five-year battle with dementia.

Former two-division world champion Dwight Muhammad Qawi, who picked up the sport while serving time in prison and went on to gain induction in the International Boxing Hall of Fame, died Friday at 72.

Dwight Muhammad Qawi, who became a Hall of Fame boxer during a 20-year career following an armed robbery conviction earlier in his life, died at age 72.