Sean Benschop, 42, was operating a crane on the site of Wednesday’s deadly building collapse. Sources say blood and urine tests found illegal drugs and prescription narcotics in his system. (NBC Philadelphia)

Sean Benschop, 42, had marijuana and prescription painkillers in his blood hours after the outer wall of 2136 Market Street tumbled down onto the Salvation Army Thrift ShopWednesday morning, sources said.

The Center City collapse buried nearly two dozen people under brick, cement and wood. Six people were killed and 13 hurt in the collapse. One woman was buried for 13 hours under rubble before being rescued.

h/t/ – thegrio