bumper repair

I recently purchase an 86 Buick regal for $800. It came with a ton of extra parts so I didn’t mind picking it up. There was some damage on the passenger side. The front bumper was bent in and appeared to have been crashed. There was no damage to the fender, only a broken light bezel, but the...

I was wondering if anyone on here knows how this repair was made? How do you get the plastic bumper cover straight and hold its shape after its been warped? I am new to this forum so any help is very much appreciated.

The front bumper cover on my '86 Monte Carlo is cracked. I want to glue it back together. I'm sure many of you guys have experience doing this. What is the best adhesive to do this with?