Originally posted by Fisherman
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Here's a snippet I was saving for later. The gap between the earlier Torso Murders and Rainham was around 13 years. Interestingly, a very detailed study has been done by Simkin and Roychowdhury looking at time intervals between murders for serial killers. The result for serial killers who had at least 3 killing dates (587 serial killers, 2412 inter murder intervals), is that 97.5% of the time intervals were 4096 days or less. A time gap of 13 years would therefore appear to be highly unusual.
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