@Wayne Smith
I have only used tenantbackgroundsearch.com I think it is great! There are three levels in which to choose, but the highest level (only $29.95) includes a nationwide eviction search, nationwide criminal search, along with previous address history and a great credit report.
I gather their info on the rental application, and submit an order for the report and pay with a credit card (I collect an application fee from them which almost covers the cost). It emails the prospective tenant to complete the process, which is pretty painless.
I don't care so much about their credit score, as much as if they are past due on any payments, how much debt they have, or if they have been untruthful about their history in any way.
I find that those that have something to hide decide not to put an application in on the unit, since they know I am doing a background and credit search.
I understand though that there is Tenant Screening / Mysmartmove available through BP, but I don't have any experience with that service.
@Account Closed I think it is great that you and your wife have found a process that works well for you. I know someone that is an onsite manager of a 24-unit building, and has been for like 20 years. He rarely has issues with evictions or late payments, and he doesn't even take applications, search background or anything. I don't even think that he gets a copy of their ID. He basically interviews them and "gets a feeling" from them whether they will be good tenants or not. I would never do that, but it works for him.
That being said, this is a forum where we help our fellow landlords. So it would be great to share if you have found where to search for landlord/tenant cases in Maryland, including evictions, as I haven't been able to find it. You might be quite the hero to all of us MD landlords. :-)