Tracking device...pen?

Question

I heard on the radio about a mother who has secretly put a pen that is also a tracking device in her childs book bag to make sure he was coming home stright after school, has anyone else heard of this? Do you know where it can be bought?

Answer 1

This site has what you are looking for, very pricey but effective.

http://www.brickhousesecurity.com/livewi...

hope that helps!