A man who shot and killed 3 people including himself at a computer game tournament has a connection to Buffalo.

David Katz, who was from Baltimore, was named as the shooter who killed two people and wounded 11 others before killing himself. Katz's had a connection to Buffalo as he was named the 2017 Buffalo Bills Madden Champion last year at an event at 716 Food and Sport at Canalside last year.

Here is a tweet from the Buffalo Bills last year congratulating Katz on winning the tournament.

Witnesses say that Katz was upset over losing a game before returning and opening fire on the gamers in Jacksonville.

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