Sonar helping to map debris from Key Bridge collapse

Gov. Wes Moore said salvage operations involves the use of technology to map the site of Baltimore's collapsed Francis Scott Key Bridge. Video above: Governor's Wednesday news conference The governor said Wednesday's unified command briefing indicated Wednesday's weather conditions made it unsafe for rescue divers to return to the water. "The water is so murky that salvage divers cannot see more than two feet in front of them," Moore said.