A Greenville, S.C., federal judge has permanently barred Robert Barnwell Clarkson and his so-called “Patriot Network” from promoting tax-fraud schemes, the Justice Department announced today. The court found that Clarkson falsely instructed Patriot Network members that they need not file federal income tax returns. The court also held that Clarkson helped members obstruct IRS efforts to collect taxes. (Read more)

Four former Enterasys Networks, Inc. executives have been sentenced to prison terms for their roles in an accounting fraud conspiracy at the computer network company formerly based in Rochester, N.H., Assistant Attorney General Alice S. Fisher of the Criminal Division and Acting U.S. Attorney Joseph N. Laplante for the District of New Hampshire announced today. (Read more)

A high-ranking member of the designated foreign terrorist organization Fuerzas Armadas Revolucionarias de Colombia, or FARC, has been sentenced in the U.S. District Court for the District of Columbia on drug charges, Assistant Attorney General Alice S. Fisher of the Criminal Division announced today. (Read more)

East Kentucky Power Cooperative, a coal-fired electric utility based in Winchester, Ky., will spend approximately $650 million on pollution controls and pay a $750,000 penalty to resolve alleged violations of the Clean Air Act at its three plants, the Department of Justice and the U.S. Environmental Protection Agency (EPA) announced today. (Read more)