Rep. Henry Waxman, Ranking Member, House Committee on Government Reform, Minority Office, sent a letter to the Committee on Energy and Commerce requesting an investigation into accusations that over the course of two years, Philip Morris destroyed e-mail relevant to the DOJ case filed against the company in 1999, alleging deceptive practices.
See also this resource, Document Destruction by Philip Morris, that includes links to correspondence (in pdf) between the DOJ and Philip Morris, the Deposition of Michael Wallmeyer, Philip Morris Information Services Specialist, and the transcript of the February 5, 2003 Status Hearing.