Sure there are, but it's a federal crime if YOU USE IT! No one said life was fair, but unless you're a member of the members of the Motion Picture Association of America (MPAA), the Recording Industry Association of America (RIAA), the Software & Information Industry Association (SIIA), the Business Software Alliance (BSA) and the Entertainment Software Association (ESA), it's against the law to use the FBI seal.
However, you can still use the following words without the FBI seal:
Warning: The unauthorized reproduction or distribution of this copyrighted work is illegal. Criminal copyright infringement, including infringement without monetary gain, is investigated by the FBI and is punishable by up to 5 years in federal prison and a fine of $250,000.