Baltimore bridge collapse: Investigators release timeline of disaster

Maryland is getting $60 million in U.S. federal relief to help with the cleanup and rebuilding of Baltimore’s Francis Scott Key Bridge. It collapsed after the Dali cargo ship crashed into it, killing two people and leaving four others presumed dead. Joel Senick explains what is being learned about the catastrophe from the boat’s digital audio recorder, and how families of the victims are desperate for answers.

• Baltimore bridge collapse: Cranes arrive to begin wreckage removal