Former Patriots player Sergio Brown's mother is found dead, and now he is missing

FILE - Jacksonville Jaguars safety Sergio Brown speaks during an NFL event for kids in south London, Wednesday, July 15, 2015. Authorities searched Monday, Sept. 18, 2023, for the former NFL player after his 73--year-old mother's body was found near a creek behind her suburban Chicago home. (AP Photo/Matt Dunham, File)