Valery Fabrikant, who shot four people dead at Concordia University in 1992, died in a Quebec prison on Saturday.
Correctional Service Canada put out a news release on Sunday stating he had died of apparent natural causes at the age of 86.
Fabrikant had been serving a life sentence since June 8, 1993.
On Aug. 24, 1992, Fabrikant, a former professor of mechanical engineering at Concordia University in Montreal, opened fire in the university’s engineering department building, killing four professors and wounding a secretary.
Fabrikant was facing dismissal before he committed his crime and accused his colleagues of stealing his work.
He died at Archambault Institution, a medium- and minimum-security prison in Sainte-Anne-des-Plaines, Que., in the Laurentians….