> there's a camera built into the bridge. it transmits it back here. >> reporter: but some end up with there shouldn't be. >> i heard of a guy with a pin camera that he got, i guess motion activated and set it up Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">
> there's a camera built into the bridge. it transmits it back here. >> reporter: but some end up with there shouldn't be. >> i heard of a guy with a pin camera that he got, i guess motion activated and set it up Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies." property="og:description">
> there's a camera built into the bridge. it transmits it back here. >> reporter: but some end up with there shouldn't be. >> i heard of a guy with a pin camera that he got, i guess motion activated and set it up Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">
of things but you can hold a device in the hand that will show you if there is one of them near you. i visited a spy shop. check it out. they look like every day objects, a lamp, an ipod docking station. looking closer, they have hidden cameras inside. tiny, unnoticeable. >> the camera lens right here and usually pointing up. >> i have no idea. nothing about this that suggests anything is videoing me. they can provide an extra layer of security. >> the ones that tell me what they're doing, with their cameras, are going to be the people wanting to either keep an eye on their sitter, their nanny. >> reporter: we have seen how they kept the good guys in movies like "mission impossible." >> there's a camera built into the bridge. it transmits it back here. >> reporter: but some end up with there shouldn't be. >> i heard of a guy with a pin camera that he got, i guess motion activated and set it up