Rear road noise

Alright, well a while back i bent the lower control arms on my rear passenger side. Along with the radius arm. well i found some used parts for a little bit of nothing and had a local mechanic put them on. then had it aligned. now i realize that the alignment is still off in the back, but there's an annoying road noise coming from that end of the car. i rotated the tires just to make sure that it wasnt just the wheel or tire that was messed up after i bent the arms. so i'm guessing that its just coming from it being so far out of alignment, but i was wonderingif anyone else had any ideas on what it could be.

Possibly a wheel bearing. Does it get louder when you go into a left turn, and get quieter when you go into a right turn?

I never really noticed a difference either way, but I will check tomorrow and find out for sure. Thanks for the input