IE 11 is not supported. For an optimal experience visit our site on another browser.
We apologize, this video has expired.

What caused the crash that killed Kobe Bryant and 8 others?

02:17

As tributes pour in for late basketball legend Kobe Bryant and his daughter Gianna, who were among nine killed in a helicopter crash Sunday, we are learning more about the crash, with both the FAA and the NTSB investigating. NBC’s Tom Costello reports for TODAY from near the scene in Calabasas.