I am sorry for what you are going through.
The father of my children died one month ago. I may never know if was due to his alcoholism (his girlfriend was listed next of kin and will probably never disclose the autopsy results to me). It was a brain hemorrhage. I thought maybe finding out that it was due to alcohol I would feel that people would finally see the proof of his drinking and not think I was so crazy for all of the boundaries I put in place.
But after reading your post, maybe I wouldn't...maybe I would just be angry.
Sorry I'm not much help. Thinking of you.