Documents released by the FBI suggest that alleged Las Vegas shooter Stephen Paddock may have been motivated to execute a mass shooting because of the way he had been treated by casinos.

The high-stakes gambler who opened fire on a concert crowd on the Las Vegas Strip, killing 60 and injuring hundreds more, was angry over how the casinos were treating him despite his high-roller status,

FBI documents show gunman who killed 60 people in 2017 Las Vegas shooting was angry about how casinos were treating him.