How crews are searching the D.C. plane crash site

Officials from several federal agencies are combing the Potomac River where wreckage from a passenger jet and Army Black Hawk helicopter fell after colliding in the Washington, D.C, skies. CBS News Philadelphia's Ryan Hughes reports.

How crews are searching the D.C. plane crash site
Officials from several federal agencies are combing the Potomac River where wreckage from a passenger jet and Army Black Hawk helicopter fell after colliding in the Washington, D.C, skies. CBS News Philadelphia's Ryan Hughes reports.