Man declared innocent after spending 48 years in prison
Simmons and another man, Don Roberts, were sentenced to death in 1975 for the murder the previous year of a 30-year-old liquor store clerk during a robbery in Edmond, Oklahoma.
1. Police and a prison guard patrol the entrance of the El Reno Federal Correctional Institution in El Reno, Oklahoma, July 16, 2015. . AFP