Analyzing the local markets

[Jeffrey Gagnon]

I have been reading "The ABCS of Real Estate Investing" and I got to the chapter 5 action steps. i was wondering if anyone had any tips on how to go about analyzing the markets and sub markets over the internet. I am moving to the Omaha Nebraska area (I am military working at Offutt AFB come June).  I feel like there is a ton of markets and don't know where to start. 

Additionally I am wondering how the crime maps relate to the housing area. an example being Trulia crime map. 

Thanks in advance