What is a group of Bandits called?

A group of bandits is commonly called a Snatch. Other collective nouns you may see include Rout.

A collective noun for bandits is a "gang". A gang typically refers to a group of criminals or outlaws who collaborate to commit illegal activities and engage in malicious behaviors. This collective noun implies a sense of tight-knit unity among the bandits, who work together to escape authorities, conduct robberies, and evade the law. The word "gang" accentuates the dangerous and clandestine nature of their activities, portraying them as an intimidating and rebellious force. Implicitly, this collective noun highlights the significance of teamwork and collaboration within their criminal endeavors and emphasizes the need for concerted efforts to achieve their illicit objectives.