It was initially reported as an active shooter, but authorities said it is not terrorism related and was an isolated incident. This appears to be suicide-by-cop (security guard). Howell was contacted by three securities guards, apparently already having the gun in his hand, according to some accounts. Howell apparently came to the casino to commit suicide as he had both a suicide note on his person and a pistol with one round chambered, but an empty magazine.
Shannon Michael Howell, 53, of Las Vegas was the deceased. Others reported that police told them the man was seen by security entering the building with a gun.
A bystander reported that security fired six times at the suspect who was reportedly in the ballroom or lobby area. A shooting occurred at the Green Valley Ranch casino Tuesday afternoon.
