She arrest you because she came in the house and saw the dead body on the floor while you are there standing. She things you killed him. But you didn't. It was someone.

She's in her base with a lot of worker drones around. And she open the large door frame and went out secret from the base alone and searching for something.

The Worker Drones are hiding inside their base. She's outside, staying on top the big stone and waiting if someone will open the large door so she can get inside and Murder all the Worker Drones.