well, there is a little problem with property crime being higher than anywhere else in the state....most likely due to proximity to Memphis.
read here:
Horn Lake Profile | Horn Lake MS
If that bothers you, you might look a little further south at Hernando, or into Tate County, which is mostly rural and very low crime, possibly due to size of the towns (everyone knows who you are) or the fact that it's a dry county (though it seems lotso folks drink..they just stop in Desoto or Memphis to buy it).