This is just to do with trying to steal stuff.

"How did you manage to steal stuff from my van?"

He appeared in certain places and stole stuff from you.

"So when do we through the trigger to make them steal the valuables and stuff?"

Seems he was going to use us to steal stuff.

"What motive would we have for stealing such dumb stuff?"

If we're stealing stuff, why don't we steal the painting?

I'd rather spend my time learning how to steal stuff.

And if you're stealing stuff, you don't talk about it.

When people like him steal stuff, we all pay the cost of it.