You could always invite them round to your house and say you need to talk to them. Once they arrive, insist that they take a tour of the house, inviting them to pick up and touch any ornament they think is beautiful or interesting. The moment they get a candelabra or vase in their hands, take a photo of them, call the police and explain that you are being burgled by a tenant with a bizarre vendetta against you.
This way, they get out of your property but still get a roof over their head courtesy of H.M.'s Prison Service!