University of Aleppo
Tayfour was assassinated in front of the University of Aleppo. Opposition forces to the government of Bashar Assad claimed responsibility for his murder, alleging "his involvement in the government's security apparatus against the protesters during Syrian Civil War". He had reportedly received death threats earlier. At the time of his death, Tayfour was an administrator in the Department of Sports Facilities in Aleppo, Syria. He was also a member of the Syrian Boxing Federation and a boxing trainer in the Aleppo Police Club, where he first learned to box.