U say u got a laser alignment,,, Did it show the rear wheels as being out at all?? bent rear , very easy to do as they are so weak,
whats the mileage of the car. Any tyre wear on edges, have the cords of the tyres twisted? Happend on my van. New tyre and it drve straight again.
Play in steering rack? Broken damper spring's weak damper spring's,
Tracking not done properly ??