Are there laws allowing law enforcement to come after you after based on computer content?

J.B.: Are there laws allowing law enforcement to come after you after based on computer content?
I know that the Patriot act allows the federal government to monitor your internet traffic, but are there laws that allow them to do anything about it? In simple terms, They see, but can they shoot?

Answers and Views:

Answer by Matt C
Absolutely, the FBI arrested my friend for over 9000 accounts of illegally downloading music.

Answer by flatfootfred
yes

Answer by keswickian
They can do anything they want how do you think they catch pedophiles and terrorist.

Answer by jaypauldini
yes, so turn off your pc and run, now!!!!