Did you know Trulia has a crime heatmap that also shows the crime reports? If you go under the "Local Info" section on any property page click the crime toggle which will give you all the insightful crime information you need.
The cities of Las Vegas, North Las Vegas, and Henderson all operate their own crime mapping websites. The links as of the time of this post are:
Realty One Group
Here is a link that will provide you with address specific crime incidents...
Hank Lauzon III
Exit Realty Number One
6600 W. Charleston #119
Las Vegas, Nv 89146
Web : http://www.HanksLVRealestate.com
Never look down on anybody...unless you're helping them up.