I have also got my property marked with selecta DNA
So all my property is on the SelectaDNA Register so if we are burgled and the police find it they put it under uv light
My property will be retured its also good for my tools in my shed & the window stickers are  good at detering aswell
Check it out here
http://www.youtube.com/watch?v=sHVyW-_hwZY

Do you have out similar in the US ??