A Baltimore Ravens fan, identified as John Callis, has surrendered to the police in connection with a violent altercation involving fans of the Washington Commanders. This incident, captured in a viral video, shows Callis attacking multiple Commanders supporters in Federal Hill shortly after a recent game. Following the widespread outrage and media coverage, police issued an arrest warrant for him. Days later, Callis turned himself in, facing multiple assault charges as the investigation continues. Authorities are urging additional victims to come forward as they address the disturbing behavior showcased in the video.