List of serial killers by number of victims
A serial killer is defined as a person who kills three or more people, in three or more separate events over a period of time. There are gaps of time in between the killings, which may comprise of a few hours up to many years. This list shows serial killers in order of how many victims they had. In many cases, the exact number of victims assigned to a serial killer is not exactly known, and even if that person is convicted of a few, there can be the possibility that he/she killed many more.