Moments after Robert Dorgan starting shooting family members at a hockey game, three people in the stands rushed toward the shooter.

PAWTUCKET, R.I. (WCVB) – The motive for a shooting at a Rhode Island hockey rink isn’t exactly clear, but a friend of the suspect said she was baffled by what happened. “To see the events of this tragedy, it was just shocking because she had such a calm demeanor,” she said.

Investigators said they seized several items, including an AR-15 style rifle and a sawed-off shotgun during searches connected to the deadly shooting at Dennis M. Lynch Arena in Pawtucket, Rhode Island.

Three people are dead after a shooting Monday at an indoor ice rink in Rhode Island. Officials believe the shooting was part of a family dispute.

Robert Dorgan, who also went by the name “Roberta,” laid multiple complaints with police alleging assaults, intimidation and threats to kill from different relatives, court documents reveal

In addition to the firearms found in the storage locker, investigators confirmed that both guns at the shooting belonged to the suspect. The post Pawtucket police find firearms in ice rink shooter’s storage locker,