I was browsing reddit today as I do and I came across this post ->
I decided to read through the document and see if I could find the list of these words!
I then wrote a small php app that will scan for these words in user provided text. Pretty useless maybe, I thought it would be interesting to see how many of my own posts/statuses may have been investigated if I was talking about something topical.
The keywords seem to be mainly aimed at something like twitter.Here is the app
Homeland Security Threat Gauge.