PHILADELPHIA (CBS) — Sources tell CBS 3 that blood tests on the crane operator involved with Wednesday’s deadly building collapse in Center City detected the presence of a prescription painkiller and marijuana. The blood, along with urine, was taken from 42-year-old Sean Benschop at the hospital approximately two hours after the collapse at 22nd and Market Streets, which killed six people and injured 13. (See Related Story) Sources say investigators also noticed that Benschop, who has a history of 11 prior arrests, including a conviction for possession and dealing drugs, was speaking in what police considered an unusually slow, quiet...
