Shocking new video shows law enforcement in Texas chasing Dallas Cowboys defensive end Marshawn Kneeland in the hours leading up to his death. NBC News’ Erin McLaughlin reports. | NBC Nightly News with Tom Llamas

New photos released by the NTSB show the UPS cargo plane’s left engine and the pylon holding it to the wing detached as it took off. The engine then exploded over the fuselage, killing the three pilots and eleven people on the ground. NBC News’ Tom Costello reports. | NBC Nightly News with Tom Llamas