Second front in PBM investigation

Executive Summary

The Tennessee Attorney General's Office has requested information from Merck-Medco "similar to that requested by" the U.S. Attorney in Philadelphia as part of an investigation of pharmacy benefit management practices, the Merck-Medco initial public offering prospectus states. The Philadelphia investigation began in 1998, and Medco was subpoenaed in 1999. A second subpoena was recently issued to Schering-Plough as part of the case, but Medco was not subpoenaed again (1"The Pink Sheet" April 1, p. 32)...