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Notorious Murderers and Serial Killers

How many kills classifies a serial killer?

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July 15, 2009 11:16PM

After 3 similar murders have occurred over a span of more than 30 days with apparent "breaks" or "cooling off" periods in between each murder.

For example, after the 3rd body was found in the Green River in Washington in the 80s, it was officially classified as a serial crime.

It's up to debate as to whether Ed Gein should truly be described as a serial killer. He only admitted to killing 2 women, and was convicted for these two. Law officials believe he may be responsible for other murders in the area. But it goes unproven.

Ed Gein was a regular grave robber, not necessarily a murderer. But his increasingly violent behaviour would have eventually led him to further murders, had he not been so disorganised, which made it easy for investigators to track down their murderer.