These "flash robs" have been a thing (in the US, at least) since at least 2011: https://www.npr.org/2011/11/25/142780596/flash-robs-worry-retailers https://www.

These "flash robs" have been a thing (in the US, at least) since at least 2011: https://www.npr.org/2011/11/25/142780596/flash-robs-worry-retailers https://www.npr.org/2011/11/25/142780596/flash-robs-worry-re... https://en.wikipedia.org/wiki/Flash_rob https://en.wikipedia.org/wiki/Flash_rob