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Baton Rouge police ambush: Investigators search gunman Gavin Long’s home
Investigators are searching gunman Gavin Long’s home in Kansas City, Missouri to try and find any information that might shed light on his motive. In a YouTube video, Long reacts to the shooting death of Alton Sterling by advocating a violent response. NBC’s Gabe Gutierrez reports for TODAY. (Run time: 1:52)