Wendy Treybig, 31, of Evening Shade, Ark., pleaded guilty today to obstructing an investigation related to the Jan. 14, 2011, firebombing of the home of an interracial couple in Hardy, Ark.

A Miami-area psychiatrist pleaded guilty today in U.S. District Court in Miami for his part in a fraud scheme that resulted in the submission of more than $200 million in fraudulent claims to Medicare.

The vice-president and general manager of the Pelican Refinery in Lake Charles, La., today pleaded guilty to federal negligent endangerment charges under the Clean Air Act before U.S. District Judge Richard T. Haik in Lafayette, La.

Leonard Langman, M.D., a neurologist who owned and operated a Brooklyn, N.Y., medical clinic pleaded guilty today for his role in a scheme to defraud Medicare; the U.S. Department of Labor, Office of Workers’ Compensation Programs; the New York State Workers’ Compensation Board; the New York State Insurance Fund and various private health insurance carriers, announced the Departments of Justice and Health and Human Services.

Freedman Farms, Inc. and its president, William B. Freedman, pleaded guilty yesterday in federal court in New Bern, N.C., to violating the Clean Water Act when they discharged hog waste into a stream that leads to the Waccamaw River.

An Iowa-based company pleaded guilty today to participating in a price-fixing conspiracy for the sales of ready-mix concrete.

Juna Gwedolyn Babb, 56, and Michael J. Babb, 55, both of Ellenwood, Ga., pleaded guilty today in federal court to felony offenses related to a scheme to compel the labor of a young woman from the Kingdom of Swaziland in southern Africa.

A federal grand jury in Detroit returned an indictment against David A. Cusumano and Henry Nino in January 2011.

Three Miami-area residents pleaded guilty today in U.S. District Court in Miami for their roles in a fraud scheme that resulted in the submission of more than $200 million in fraudulent claims to Medicare, the Department of Justice, the FBI and the Department of Health and Human Services (HHS) announced.

The manager of a Miami health care agency and a registered nurse pleaded guilty today for their participation in a $25 million home health Medicare fraud scheme.

Lawrence R. Marino, a 41-year-old from Goffstown, N.H., pleaded guilty today in federal court to computer intrusion, stemming from his repeated hacks into his former employer’s computer systems.

A Miami-area resident and owner of a fraudulent physical therapy company in Lakeland, Fla., pleaded guilty today for his role in a scheme to defraud Medicare.

Alexander Otis Matthews, a Virginia real estate businessman pleaded guilty today to fraud charges in connection with mortgage and investment schemes to obtain more than $12 million in fraudulent loans.

The former president of Lee Dynamics International, a defense contractor providing services to the U.S. military in Iraq, pleaded guilty today to an indictment charging him with a scheme to bribe military officials in order to obtain government contracts, announced Assistant Attorney General Lanny A. Breuer of the Criminal Division.

Frank G. Bivings and Isabelle Blanco of Washington, D.C., co-owners of The Bivings Group Inc., pleaded guilty today to charges stemming from the failure to pay more than $2 million in employment taxes to the Internal Revenue Service.

A District of Columbia federal court has entered a permanent injunction order against Steven McClain and the Trust for Architectural Easements Inc. (formerly known as the National Architectural Trust).

Mark D. Leitner entered a plea of guilty in the Northern District of Florida to filing false liens against federal law enforcement and corruptly endeavoring to impede and impair the Internal Revenue Service.

Tony Branscum, 25, and James Bradley “Brad” Branscum, 23, both of Salado, Ark., pleaded guilty today to criminal violations of housing rights related to their role in the Aug. 28, 2010, cross burning in front of an African American man’s apartment in Salado.

Peter Labovitz, of Alexandria, Va., pleaded guilty to two counts of failing to pay employment taxes to the Internal Revenue Service.

Eliseo Roquiz of Erie, Penn., pleaded guilty before U.S. District Judge Sean J. McLaughlin of the Western District of Pennsylvania to charges of filing a false document with the Internal Revenue Service.

Gabriel Henson, a supervisor for Integrated Production Services, Inc., a Houston-based natural gas and oil drilling contractor, pleaded guilty to a negligent violation of the Clean Water Act in federal court in Muskogee, Okla.

A patient recruiter of a Miami health care agency pleaded guilty today for his participation in a $25 million home health Medicare fraud scheme.

Thomas Iafrate, 70, of Johnston, R.I., pleaded guilty in U.S. District Court in Providence, R.I., today to participating in an extortion and racketeering conspiracy that shook down several Rhode Island businesses for “protection” payments.

Curtis Coffee, 19, of Salado, Ark., pleaded guilty today to criminal violations of housing rights related to his role in the Aug. 28, 2010, cross burning in front of an African-American man’s apartment in Salado.

Thomas J. Ernst, formerly a resident of McLean and Arlington, Va., pleaded guilty to one count of corruptly endeavoring to impede and impair the Internal Revenue Service (IRS) and one count of tax evasion for 2005.

David R. Lewalski, formerly of Gainesville, Fla., pleaded guilty today to mail fraud in connection with his operation of a $30 million investment fraud scheme, announced Assistant Attorney General Lanny A. Breuer of the Criminal Division and U.S. Attorney Robert E. O’Neill of the Middle District of Florida.

A Miami-area resident pleaded guilty today in U.S. District Court in Miami for his role in two separate fraud schemes that resulted in the submission of more than $200 million in fraudulent claims to Medicare.

Edk Kenit, 29, and Choimina Lukas, 31, a Micronesian couple living in Longview, Wash., pleaded guilty today to document servitude in connection with a scheme to compel the labor of an 18-year-old woman, also from Micronesia.

Robert E. Greeley, a resident of San Francisco, pleaded guilty today to charges of filing a false federal income tax return.

Louis Gendason of Delray Beach, Fla.; Kimberly Mackey of Pittsburgh; and John Incandela, of Palm Beach, Fla., pleaded guilty today to one count of conspiracy to commit wire fraud for their participation in a $2.5 million Home Equity Conversion Mortgage, or reverse mortgage, fraud scheme.

German A. Posada of Las Vegas pleaded guilty before U.S. District Judge Philip M. Pro to charges of filing a false 2004 individual income tax return and making a false statement in a bankruptcy proceeding.

The Justice Department announced today that two Mexican nationals, Israel Cortes-Morales, 31, and Alberto Cortes-Castro, 30, pleaded guilty in federal district court in Miami to charges of conspiring to commit sex trafficking of Mexican women.

The Justice Department announced today that former Contract Security Officer Edwin Rodriguez, 30, pleaded guilty to engaging in sexual abuse of a female detainee under his supervision and control.

Robert Colbert, of Pittsburgh, pleaded guilty today in federal court to charges of conspiring to conduct a racketeering enterprise.

Shaoxiong Zhou and Shaoxia Huang, both of Shantou, Guangdong, China, have pleaded guilty to trafficking in counterfeit perfume.

Emerson Winfield Begolly, 22, of New Bethlehem, Pa., pleaded guilty today in Pittsburgh to soliciting others to engage in acts of terrorism within the United States and to using a firearm during and in relation to an assault on FBI agents.

A Brooklyn, N.Y., man pleaded guilty today in U.S. District Court in Alexandria, Va., for his role in managing a credit card fraud operation that operated throughout the East Coast of the United States.

George Thompson, 64, a former employee of the Transportation Security Administration in Minneapolis, pleaded guilty today in federal court to violating the Matthew Shepard and James Byrd Jr. Hate Crimes Prevention Act by assaulting an 83-year-old Somali man on May 4, 2010.

Eric Scott Hamilton, 40, of Pelzer, S.C., pleaded guilty before U.S. District Judge J. Michelle Childs in the District of South Carolina to a criminal information charging him with two counts of conspiracy to steal public property.

Kirby Dollar, 37, a former detective with the Russell County Sheriff’s Office, pleaded guilty in federal court in Montgomery, Ala., for his role in the assault of a handcuffed man.

Sheena Flores, 34, of Manassas, Va., pleaded guilty before U.S. District Judge Gerald Bruce Lee to one count of transmitting in foreign commerce, with intent to extort money, a communication containing a threat to injure another person.

A former owner and operator of a Florida-based airline fuel supply service company and a former owner and operator of an Indiana-based flight management services company pleaded guilty today to participating in separate schemes to defraud Ryan International Airlines, a charter airline company located in Rockford, Ill.

Nautilus Hyosung Holdings Inc. has agreed to plead guilty and pay a $200,000 criminal fine for obstruction of justice in connection with a premerger filing and investigation by the Antitrust Division.

The Department of Justice announced today that Neal Wayne “Bear” Groom, former sheriff of the Worth County, Mo., Sheriff’s Office, pleaded guilty to depriving eight Missouri women of their civil rights by coercing the women to expose parts of their bodies to him, which was in violation of the Fourth Amendment prohibition against unreasonable seizures.

David Chui, a resident of Queens, N.Y., pleaded guilty to failing to pay employment taxes in connection with his former ownership of a garment assembly business.

Paul Beebe and Jesse Sanford of Farmington, N.M., pleaded guilty today in U.S. District Court in Albuquerque, N.M., to federal hate crime charges related to a racially-motivated assault on a 22-year-old developmentally disabled man of Navajo descent.

A Crips gang member and associate each pleaded guilty today in federal court in Pittsburgh to racketeering charges.

Scott Robertson pleaded guilty before U.S. Magistrate Judge Brooke C. Wells in Salt Lake City to one count of making and subscribing a false tax return for 2003.

Jihan S. Cover, 33, of Arden, N.C., pleaded guilty before Magistrate Judge Dennis L. Howell in the Western District of North Carolina to a one-count criminal information charging her with theft of government property.

Jose Nunez, 63, pleaded guilty before U.S. District Judge Joan A. Lenard in Miami to one count of conspiracy to commit health care fraud.