Overview
- Investigators searching the suspect’s Bath apartment and a Brunswick storage unit seized an AR-15–style rifle, a sawed-off shotgun, ammunition, firearm accessories and an electronic device; nothing was taken from a work locker.
- The ATF traced the two handguns used at the arena to prior purchases in Florida and Rhode Island, and police said the suspect was carrying a Florida gun permit.
- Authorities identified the shooter as Robert Dorgan, who also used the names Roberta Dorgan and Roberta Esposito, and said the seized firearms and materials are being processed by crime labs.
- Rhonda Dorgan and her son Aidan were killed; Rhonda’s parents and family friend Thomas Geruso remain hospitalized in critical condition, according to police and family statements.
- Bystanders Michael Black, Robert Rattenni and Ryan Cordeiro are credited with subduing the gunman, actions officials say likely prevented further casualties, as schools paused interscholastic games and offered counseling support.