What is the collective noun for crooks?

There isn't a widely accepted collective noun for crooks.

Here are some possibilities, depending on the context:

* Informal:

* A bunch of crooks

* A pack of crooks

* A gang of crooks

* A crew of crooks

* More formal:

* A syndicate of criminals

* A ring of thieves

* A cabal of swindlers

* A conspiracy of fraudsters

Ultimately, the best choice depends on the specific situation and tone you're trying to convey.