Mike,

I just found a page, that explains different activities that are considered suspious under different security levels...it is located at:

http://www.csub.edu/Admin/PublicSafe...RISM/index.htx

Located down the page a ways, under the Yellow Level.

Here is another one, wrote by a stock photog about what he experianced..

http://www.expertclick.com/NewsRelea...Detail&ID=8483

Dave