Questions raised by botched Oklahoma lethal injection remain unanswered . Seven weeks after that death , Oklahoma is still investigating what happened , officials say . Score: 6 Policy shift `` could be just one more problematic execution away , '' expert says .
Questions raised by botched Oklahoma lethal injection remain unanswered . Seven weeks after that death , Oklahoma is still investigating what happened , officials say . A big issue involves the drugs used in executions , and where states are getting them . Policy shift `` could be just one more problematic execution away , '' expert says .