Police in suburban Chicago are investigating Instagram videos that appear to show missing former NFL player Sergio Brown discussing the recent death of his mother. Brown, 35, is still considered a missing person. In the videos, Brown calls reports about his mother's death 'fake news' and references the film 'Finding Nemo.' His mother's death has been ruled a homicide.

• Former NFL player Sergio Brown is still considered a missing person.
• Police are investigating Instagram videos in which Brown discusses the death of his mother and calls reports about it 'fake news.'
• Brown's mother's death has been ruled a homicide.