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1 ene 1902 año - Locard's Exchange Principle was Discovered

Descripción:

Locard's Exchange Principle states that every time a person comes into contact with another person, place or thing, trace physical materials are left behind and taken with them. It also states that it is impossible to perform a violent act of crime without leaving some form of evidence.

Añadido al timeline:

fecha:

1 ene 1902 año
Ahora mismo
~ 123 years ago

Fotos: