By Stephanie Farr and Dafney Tales
Philadelphia Daily News
PHILADELPHIA — As first responders and police flooded a Mayfair street Sunday night during the Super Bowl, many nearby residents suspected that a game-day rivalry had gone wrong.
But, in reality, the mayhem on Bleigh Avenue near Crispin Street allegedly started with an off-duty cop placing a gun on a table and tragically ended with another man being charged with the murder of the cop's brother-in-law.
Officer's gun used in shooting death