1.   According to the company, data recovered using these programs has been invaluable in obtaining numerous convictions, including several cases involving child pornography.

2.   But the vast majority involved pornography.

3.   Their most common investigation, as it is for Kansas City area law enforcement officers who work on computer crimes, involves child pornography.

4.   Bavarian authorities said Compuserve, based in Columbus, Ohio, might face criminal charges involving pornography available on the Internet through its access services.

5.   The main abuse of the system has involved pornography, Chi said.