Chat2cars sells dangerous rebuilt cars

I was ****med in a purchase of a car. They sold me a car that had been wrecked, reworked and then sold. I was not informed that it had been a car that had been in a major accident. I showed that it had. They denied knowledge of it claimed it had been checked with Dekra. The only check they did at Dekra was the roadworthy when they sold it to me. They refused to refund and the car was too far gone to repair. The car is inherently dangerous to drive an