The causes of death have been revealed for three Kansas City Chiefs fans who were found dead outside their friend's rental home last January.

For more than a year, mystery shrouded the case of three friends who were found dead outside a Kansas City home after watching a Chiefs football game on a below-freezing winter night. On Wednesday, two men were charged with killing them,

The three Kansas City Chiefs fans found frozen in their friend's backyard died of fentanyl and cocaine toxicity, as new details about their bizarre deaths unravel.