![Convicted Oklahoma Murderer Dies of Massive Heart Attack During Botched Execution](http://townsquare.media/site/127/files/2014/04/140318-charles-warner-clayton-lockett-1436_c6c1c974cf265172786a7db4f80c4a8e.jpg?w=980&q=75)
Convicted Oklahoma Murderer Dies of Massive Heart Attack During Botched Execution
Convicted murderer Clayton Lockett was scheduled to be executed at 6:00 p.m. tonight (April 29). While authorities were administering the lethal injection they discovered the line into Lockett's arm had blown. Prison officials halted the execution and at 7:06 p.m. Lockett suffered a massive heart attack and passed away.