Oklahoma man executed by lethal injection despite conflicting evidence

Emmanuel Littlejohn put to death for role in 1992 shooting, which would be state's third execution this year

Oklahoma executed a man by lethal injection on Thursday morning, despite conflicting evidence regarding his guilt.

Emmanuel Littlejohn, 52, was executed by lethal injection for his role in the 1992 shooting death of a convenience store owner during a robbery in Oklahoma City. Littlejohn was the third inmate put to death by the state this year. He was 20 years old at the time the crime was committed.