Petrosyan arrived in Moscow in 1998. He began to beat homeless people on Young Lenintsev Street in 2005 after inviting them to see his karate skills, though some sources claim the assaults were done without warning. The victims rarely reported the attacks to law enforcement. On 13 October 2008, the body of a disfigured woman was found in a park near . She had been covered in more than two dozen
hatchet wounds. Detectives determined that the perpetrator was of unsound mind and connected the attack to other recent murders in the area. Witnesses described the attacker's appearance and a
composite sketch was created. Petrosyan, looking identical to the sketch, was eventually arrested after being recognized in public near the Izmailovskoye Highway, after which he openly confessed. ==See also==