Police are investigating the death of 20-year-old Dartmouth College student Won Jang, who was found in the Connecticut River over the weekend, as a possible hazing incident. The Hanover Police Department is examining whether hazing played a role in the tragedy.

Jang, a member of Beta Alpha Omega fraternity, was last seen at a social event near the Dartmouth boathouse on Saturday night. He was reported missing the next day, and after several hours of searching, his body was discovered about 65 feet offshore on Sunday evening.

“There is some evidence of alcohol involved, certainly from witnesses and talking with things like that,” Police Chief Charles Dennis told WMUR. He added that an anonymous email received through the college mentioned potential hazing, which the police are investigating.

Dartmouth College confirmed that Beta Alpha Omega was disciplined last fall for an unspecified incident. Earlier this year, the fraternity was one of four suspended for violating community standards.

Jang, a biomedical engineering major participating in Dartmouth’s Sophomore Summer program, was active on campus as a project manager at the DALI lab, a research assistant at the Thayer School of Engineering, and a mentor for international students. Friends described him as always cheerful and making jokes.

“Won was always an amazing guy. I don’t think there was ever a time when I didn’t see him with a smile on his face,” said friend Kledian Marinaj.

Dartmouth has offered grief counseling to affected students. “Won wholeheartedly embraced opportunities at Dartmouth to pursue his academic and personal passions,” wrote Dean of the College Scott Brown.

The investigation into Jang’s death continues, and a toxicology report is expected to take up to six months.