Law Enforcement, and Government Agencies, are using a new tool.  It's a van that carries the same technology as the airport scanners that film everyone naked.  These vans can see more than just under your clothes.  They can see inside your cars, and even some buildings, and can be operated remotely from over 1500 feet away.
Source: http://www.foxnews.com/scitech/2010/10/19/x-ray-vans-security-measure-invasion-privacy/

I can just see some dude who works with one of these finding out his wife is cheating on him, driving it up to the cheater's house while she spends the night and leaving it on them ALL night.. overdosing them in radiation for 6-8 hours...