The woman reported that the elevator can hear the sounds of fighting. At the scene left investigative team. In the elevator\’s body was found 65-year-old woman with stab wounds. Police officers found that the victim\’s son — a drug addict with years of experience — went with his mother to lift. There is a quarrel between them. During the hassle of 41-year-old man stopped the elevator and repeatedly struck his mother with a knife, then took a lethal dose of heroin. Both died before the arrival of police and ambulance crews. Review. We establish the circumstances of the incident.