what a drag if they break in while you're gone and steal your gun

Simple, buy a gun safe, and keep the cheapo 12 ga under the bed for nighttime defense... Besides who'd want to shoot someone with their favorite gun only to have it locked in evidence for years to come?

-edit-
Yes you read it right. I own guns for target shooting, collectors items (M1 Garands) and protection, but I never EVER want the opportunity to actually use it on someone if I can avoid it. But peace of mind is a nice thing, and gun and shooter education is wise.