A former campaign staff member for Rick Santorum took his own life on Tuesday morning after stabbing a Yale University student, the Associated Press reported.

Authorities said 22-year-old Tyler Carlisle jumped from a ninth-story window in an apartment complex across the street from the university after stabbing 21-year-old Alexander Michaud. Carlisle fell onto a terrace on the building’s third floor and died. Michaud was hospitalized and was listed in stable condition as of Tuesday night.

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Carlisle, who recently graduated from the university, worked on Santorum’s presidential campaign in 2012 and was the campaign manager for Republican Joseph Bentivegna’s congressional campaign last year. Michaud, who is slated to graduate in 2017, is the publisher for a conservative campus publication, the Yale Free Press.

Michaud is also listed as the “chancellor of cards and games” for the Party of the Right, a campus organization that described its mission on its website as making “Great Men.”

“We are a band of brothers, brought together by the battles we have fought,” the group’s website states. “The intense personal interaction that the Party demands of its Members helps to forge strong ties and lasting friendships. The Party holds many social events throughout the semester, which include Toasting Sessions, Nights of Cards and Games, Table at Commons, the Annual Banquet, the Fall Bacchanalian Orgy, and much more.”

The AP reported that Carlisle was also a member of the group. According to WCBS-TV, police described the two men as acquaintances.

“I don’t believe the victim was a roommate,” Officer David Hartman said. “We’re not certain about the relationship. We know that they knew one another.”

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The university said in a statement that both mental health counselors and the school chaplain’s office were available for students seeking help following the fatal incident.