re: Is the serial killer obsolete today?

quote:

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but leaving your phone at home, based on the times it’s left, would be strong evidence when looked at a different way

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Exactly. You'd have to have your phone moving and be used the same as you typically do. I am sure there are some insane people that watch all the true crime shows and are motivated to figure ways to beat the system.

Maybe not obsolete, but more rare...