In many homicides, the cause of death is strangulation.Strangulation is when the murderer puts one or both hands on the neck of the victim and suffocates them to death.Forensic science studies have pointed out that a pressure of about 2 kg can hinder the blood return of the human carotid artery, and a pressure of 3.5 kg is enough to block the common carotid artery. Stopping, causing cerebral blood circulation disorder, resulting in death.