If you really want these criitters trapped try this site, trapperman.com Not only can you buy the needed supplies there, but they also have a section where you can ask the pros questions and a section where the pros chat. Both can be very helpful.
Hubby and I pulled an allnighter Saturday but didn't see a flippin thing! Ah well, nothing like a good ol spotted cow, the cool feel of a rifle and a nice warm hubby sittin close under the moon in the weeee hours.