What are some tell-tale signs someone is a serial killer?

Upon first meeting them

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SW-User

I learned of the McDonald triad. Three factors come into play when it comes to serial killing- Chronic bed-wetters past the age of five. Arson, and animal cruelty. Be very careful around these types of people

SkeetSkeet · 100+, F

@SW-User jc this place is full of bed wetters

SW-User

@SkeetSkeet That is true