You grasped for the opportunity to shake these guys off.

"I'm here because the contract is off. Let the police handle the work."

"Forgive us if we don't trust you. But We've never had a contract end the first day of agreement. We've been doing this or a while of course. But what could have changed his mind so quickly this time?"
They other two hulking powersuit men shifted uncomfortably and clutched their weapons harder. You were glaring at them but they couldn't tell.