CDK
I can relate to your situation in the fact that my AH is also a police officer who will not get the professional assistance he needs. He is too macho to admit he cannot do it himself. He has admitted he will never go to AA. He too has seen the "real alcoholics" living under bridges and at the homeless shelters and he is of course not one of them. I dont mean to be so pessimistic but I dont hold out much hope that he will succeed in sobriety. During 13 years of marriage he has abstained for only 4 months. At this moment he is on day 18 of sobriety.
Remember that you need to take care of yourself first and foremost. Attend AlAnon and take one day at a time.