JACKSONVILLE, Fla. – Louis Nix III, a standout nose guard at Notre Dame before being drafted into the NFL, has died in Florida after being missing for several days, but many questions linger about the circumstances of his death. An update tweeted late Saturday said Nix had been located but didn't give any other details. Nix's mother, Stephanie Wingfield, told multiple Jacksonville news outlets Sunday that authorities said her son died but haven't been able to tell her how. Ad“They said they couldn’t give me any more information,” Wingfield told WJXT-TV. He shared a video online as medics tended to him, saying that he had been shot.