StateImpact Discusses: Critics argue Oklahoma's lethal injection protocol could constitute cruel and unusual punishment — and that the state shouldn't be allowed to hide the details behind it

Oklahoma secrecy laws allow the state to obscure where it gets lethal injection drugs. Given the state's track record, the critics say, that shouldn't be the case. StateImpact Editor Logan Layden talks with health reporter Catherine Sweeney about the state's controversial protocol, the drugs it uses to execute Oklahomans, and the secrecy laws that obscure where officials buy them.