Need help with my rear passenger control arm

Hello, I was doing my rotors and brake pads and I have never done rotors before so I was watching your video on YouTube and was following it the control arm popped out with a flat head just like it did in the video, but when it came time to put it back in I noticed that there is a tilt in the control arm the left side lines up with the pin hole, but the right side is only halfway lined up. I tried to take channel locks and turn it but it would either fall out from in between the pin holes or would tilt right back to old position. I been at it for three hours now and I am not sure what I am doing wrong or what to do to fix this. Is there anyone there who could give me some pointers or tips on what to do? Please and thank you.