Damage vehicle

Leon owner at Valozone recieved advance payment to fix my vehicle and I asked him if he wil work on my vehicle. After 8 months and 10 send backs my vehicle is still not running.I eas threatend buy him and his ****her and I adked that the video footage must be saved.*****ulant claim wad made in my name on my warranty......When I asked my insurer when I took my vehicle to Peugeot who did it Genric just said previous guy which refers to him. Why does Genric send me to a back door mechanic?