[Fido969]

My guess is that is an FBI-inspired threat. Where do you think the idea to use C4 came from?

[Plumberman27]

Typical browns fans. Losers in every sense of the word.

[Safetgiver]

Where do you think the idea to use C4 came from?...Anybody who watches NCIS would know about it. How to use it would have been different, however.

[mnehring]

Where do you think the idea to use C4 came from?

Probably movies.