Sulamith,
I'm no "expert" at all, just a supporter who has researched this case for years. There were many inaccuracies in the movie because it was a "Hollywood" movie. However, none of the inaccuracies actually detract from the true events, IMO.
IMO, there were two big inaccuracies. First is the implication that Pam found Steven's knife in Terry's belongings during the trial and gave it to Lax. In fact, the knife wasn't found until years later - right after Pam and Terry divorced (2003, IIRC). At that time, Pam, no longer trusting the State, turned the knife over to Dan Stidham, one of Jessie's attorneys and the only original attorney still involved in the case, even though he is now a judge.
Second, in the movie, it appeared that Pam left Terry right after the trials - permanently. She
did leave to go to her parents' home in Blytheville, but they didn't divorce until almost ten years later. Pam is a sad case. She has tried to maintain a relationship (of sorts) with Terry over the years for Amanda's (their daughter's) sake, but unfortunately, whenever she is with Terry IMO he browbeats her and causes her to doubt his involvement in the case. She was heavily medicated during the trials and has, unfortunately, self-medicated subsequently. When she is in her right mind, she says that she thinks Terry is involved, but her statements seem to be unreliable. She is still very fragile and I doubt that she could ever make a coherent statement. It's really sad.
Again, I'll say that if this movie introduced anyone to the case (as you prove), it was a "good" movie. It's simply up to those of us who have studied the case for years to help those for whom this was an introduction to the case to sort out fact from Hollywood fiction. I would be glad to answer any questions you have - as would many on this board. Don't be shy!
However, I encourage you to research for yourself, as well. The Callahan's site previously linked is excellent. There are several Facebook pages (some of nons - those who still believe Damien, Jason and Jessie are guilty - and some of supporters of their innocence). Just type in "West Memphis 3" in the search and they'll pop up. A word of caution however: some people get nasty! I've found that the moderators on this site are excellent at keeping name-calling and other nastiness off of these pages. Another site you might investigate is
jivepuppi. Although extensive, if you have the time, there is a lot of excellent information there, too.