http://venturebeat.com/2011/05/13/google-illegal-online-drugs/

pointing to
http://online.wsj.com/article/SB10001424052748703730804576319572448399628.html

Quoting WSJ:

<<...
The Internet company disclosed in a cryptic regulatory filing earlier this week that it was setting aside $500 million to potentially resolve a case with the Justice Department.
A payment of that size would be among the highest penalties paid by companies in disputes with the U.S. government.
...>>