Psychology today defines a serial killer as “someone who commits more than three murders over a period that spans more than one month. For the most part, serial killers commit murder for some sort of psychological benefit.” While the FBI has certain “requirements” that need to be met to be labeled as a serial murderer rather than a mass murderer that leads us to the simple definition of “the unlawful killing of two or more victims by the same offender(s), in separate events.” The requirements include; one or more offenders, two or more murdered victims, incidents occurring a separate events at different times, and the time period is shorter than those labeled as a mass murderer. However, a general conclusion could be made that a serial killer is someone who murders multiple people within a certain time frame, and most likely something is wrong with …show more content…
A&E Television Networks, 2015). All of the murders were only about a mile apart which taunted the investigative officers, but what really amazed them were the letters that he wrote. Several letter from Jack the Ripper were sent to the London Metropolitan Police where he went into gruesome details about his previous murders and murders to come. Like most serial murderers, Jack had a “type”. He had a grudge against the entire female population. When he killed not only were his victims all women, but they were stabbed, humiliated, mutilated, an obvious sign that he had a grudge against females. Suddenly, in the fall of 1888 the murders have stopped and Jack the Ripper seemed to have vanished. Authorities never figured out his identity, and they have over one – hundred suspects. It seems as though Jack did not just want to target females, but he wanted to show the police that he was more powerful and smarter than them. He threw it in their faces and the disappeared. Another case like Jack the Rippers is the Zodiac killer. The Zodiac was active in San Fransiso, California from the late 1960s to the 1970s. He is another monster who wanted to show just how powerful and smart he is by