The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played football, officials familiar with the investigation told NBC News.

Police have identified the man who entered a Midtown Manhattan office building wearing body armor and opened fire killing ...

A video of a February traffic stop of William McNeil Jr., a 22-year-old Black college student from Jacksonville, Florida, showing police breaking his car window and pulling him out went viral. In ...