Matthew Gabriel pleaded guilty to knowingly fabricating a mass shooting threat in Norway and a bombing plot at the University of Iowa.

Matthew Gabriel, 25, of Philadelphia, also admitted to a fake report of a bomb threat at the University of Iowa. The mass shooting report was made in Norway. He pleaded guilty to federal charges.

A man in Philadelphia has pleaded guilty to federal charges stemming from fantasy-football-related bomb threats, the Justice Department announced. According to the plea agreement, 25-year-old Matthew Gabriel got into an argument with someone in his fantasy football chat group.

Fantasy football is all fun and games — until someone takes it too far. Here's how federal prosecutors say an argument within one fantasy group chat led to an international crime investigation.

A Philadelphia man's online beef has resulted in an international investigation and federal charges after he falsely accused a fellow player of intending to carry out violent attacks, prosecutors say.