Rhode Island ice rink shooting suspect Robert Dorgan had a history of family conflicts over gender identity issues and a gender reassignment surgery, according to documents.

Authorities say the person who opened fire during a youth hockey game at an ice rink in Rhode Island targeted and killed an ex-wife and one son.

Two people were fatally shot and three remain in critical condition after a gunman opened fire at a high school hockey game in Pawtucket, R.I., on Monday, Feb. 16. The suspect was also found dead, but no one's identities have been publicly disclosed.

Police said the deadly shooting during a high school boys' hockey game in Pawtucket, Rhode Island, appears to have stemmed from a family dispute.

Third victim dies in Rhode Island hockey arena shooting allegedly carried out by transgender suspect who killed ex-wife and son in suspected family dispute.

Police said a third victim has died from injuries sustained during a deadly shooting at a youth hockey game in Rhode Island on Feb. 16.