The Attorney General and the District Attorney represent the government, so they can't represent you in a case against the government. If it's a police department that has your things, they should be able to explain the procedure for getting them back.
If that doesn't work, you can try to find a lawyer who will help you for free. Legal Services Alabama has offices in many cities, and there a couple of other organizations that might help. Click on the source below; it's CourtReference's Guide to Alabama Courts - Legal Aid and Lawyer Referral page. It has links to all the legal aid offices in Alabama. Statewide offices are first. The first link will take you to a website that has links to individual offices arranged by location; most of them will be Legal Services Alabama, but there are also Volunteer Lawyer programs in Mobile and Madison Counties. The other statewide link is Elder HelpLine, which may be able to help if you're 60 or older.
Further down the page are other local legal offices, alphabetically by county. Mobile and Madison County each have a direct link to their Volunteer Lawyer's Program,