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MIT told its students in a campus-wide email today that gunman hoax this past Saturday centered around the story of a staff member seeking revenge for deceased hacker and Reddit co-founder Aaron Swartz.

Early Saturday morning, Cambridge police officers raced to MIT's campus where a gunman was reported to be trawling the halls of the campus' Main Group Building with a rifle and sporting body armor. Over the course of a three hour period, police searched the building up and down looking for the gunman before realizing they'd been duped. The whole thing was a hoax. The report came "over a system used by people with hearing or speech disabilities to communicate with others on phone calls," Cambridge police said. But until now, we didn't know much else about the hoax report.

According to an email from executive vice president and treasure Israel Ruiz, republished by MIT's student newspaper The Tech, the call came in at 7:28 a.m. via a text to the "Sprint relay message service" designed for people with hearing or speech impairments and warned that a gunman, who was a member of the school's staff, was "getting out of control," and looking for school President, Rafael Reif. "At 7:37 AM, the caller indicated that the alleged gunman was retaliating against people involved in the suicide of Aaron Swartz," reads the report, and Reif was the fake gunman's main target. The report doesn't say whether whoever sent in the hoax was motivated by Swartz's death, but MIT seems to be taking that possibility seriously. "This hoax also involved a malicious allegation against a member of our community and direct threats of physical harm to MIT staff," wrote Ruiz. "We should all understand that this is not a game."