C61 Mutual benefit

"Captain Cai!" Two tall and sturdy men jumped down from the modern car, after sizing up Cai Yuan for a while, they walked over to her and greeted her.

It was obvious that the two were not very familiar with Cai Yuan, as they were addressed according to her position in the police force.

"You are from the Municipal Public Security Bureau? Or from the sub-bureau? " Cai Yuan raised her eyebrows