modi operandi

/M OW1 D IY0 AA0 P ER0 AE0 N D IY0/
noun
  1. 1

    A person or thing's normal mode of operation.

  2. 2

    (law enforcement) A known criminal's established habits and mode of work when committing specific offences, especially fraud, matched with characteristics of an unsolved crime to narrow down (limit to a specific list) or profile suspects.

Synonyms

Source: https://en.wiktionary.org/wiki/modi%20operandi, https://en.wiktionary.org/wiki/modus%20operandi