Перевести текст modus operandi. in many investigations, no description of a person suspected of criminal activity is available. thus an identification will be attempted to make by analyzing the methods and techniques employed by the suspect, those which is known as his modus operandi (method of operation or m. o.) in the perpetration (совершение) of his crimes. special files (картотека) of m. o. are contained in identification bureaus where criminal records are received, classified and maintained. the evidence of modus operandi is of great importance in detecting pickpocketing (карманное воровство), burglaries, shoplifting, sex-offences, arsons (поджог), murders, etc.