An Offender's Signature vs. Modus Operandi

Sometimes there's some confusion of the difference between a criminal's signature versus the criminal's modus operandi when they commit a specific crime.

Are they the same?

No, they are distinctly different because one feeds on emotional needs of the criminal while the other is a procedure.

Modus operandi is the method that is used to commit the crime and signature behavior is what helps to serve the criminal's emotional and psychological needs.

A modus operandi or MO refers to the method or pr...