Flash rob

A flash rob, also known as a multiple offender crime or flash mob robbery, is an organized form of theft in which a group of participants enter a retail shop or convenience store en masse and steal goods and other items. Typically, store workers and employees in these cases quickly become overwhelmed by the large number of participants and cannot stop the theft.

The National Retail Federation does not classify these crimes as "flash mobs" but rather "multiple offender crimes" that utilize "flash mob tactics". In a report, the NRF noted, "multiple offender crimes tend to involve groups or gangs of juveniles who already know each other, which does not earn them the term 'flash mob'."