Clayton Lockett 's execution in Oklahoma was halted 33 minutes after it began . The autopsy on Lockett , being conducted at Southwestern Institute for Forensic Science in Dallas , will take up to 12 weeks , Capt . Lockett 's vein collapsed as the drugs were administered , records show . Comment: The doctor also said there were not enough drugs to continue .
Clayton Lockett 's execution in Oklahoma was halted 33 minutes after it began . Lockett 's vein collapsed as the drugs were administered , records show . Comment: The doctor also said there were not enough drugs to continue .