What are collective nouns for the word smugglers?

There isn't a widely used, established collective noun specifically for smugglers. However, you could use a more general collective noun depending on the context:

* A band of smugglers

* A ring of smugglers

* A crew of smugglers

* A cartel of smugglers

* A syndicate of smugglers

These terms emphasize the organized nature of smuggling operations. You could also use more creative terms:

* A shadow of smugglers (emphasizing their secrecy)

* A whisper of smugglers (emphasizing their stealth)

* A tide of smugglers (emphasizing their numbers)

Ultimately, the best collective noun will depend on the specific situation and the tone you are trying to achieve.