[antod]

I can't help wondering about your word "were" (past tense)?

Doing secret work for a ruthless criminal gang must be risky.

[darkpuma]

You seem to be right. This article talks about mass graves of diggers being found: https://www.newyorker.com/magazine/2015/08/03/underworld-mon...

[Simon_says]

Were. Still are. But they were, too.

[thunderrabbit]

Sorry for the convenience.