Assuming the alignment shop was competent, the rear suspension may have problems. Without both front and rear suspensions mechanically sound, the car will wander. The 'outside chance' possibility is that you have bad tires.
Cause it doesn't have one
no
Have a wheel alignment done. They will check the front end at the same time. Also are your tires properly balanced and round?
Yes
Yes
Yes
Yes
Yes.
Yes
Ford Crown Victoria was created in 1955.
No
Have u checked the bearings?