The medical supply company McKesson has become the first private company in US legal history to sue a death penalty state for the misuse of its products in executions...[Arkansas] had scheduled a series of double executions...in what would have been the most intense burst of killing in the US for at least 50 years. But...a state court...put all the executions on hold...McKesson [is] accusing the Arkansas department of corrections of misleading it...The complaint alleges [that] the corrections department “led McKesson to believe that the order was placed at the request of, or for the benefit of, the physician and would be used for a legitimate medical purpose”...the final outcome...may not be known until it reaches the US Supreme Court...