Modus-Operandi is a method used by law enforcement to identify a suspect by discovering a particular feature or pattern to a suspects crimes
The term modus-operandi (M.O.) means that the defendant’s behavior possesses a unique and identifiable feature or pattern, method, or style that distinguishes some unique habit or repeated character trait of the suspect.
By identifying the defendant’s particular M.O., law enforcement may be able to connect the defendant to other past crimes.