TOPEKA, KS—A man from Kansas City, Kan., has been indicted on federal charges of robbing a credit union in Lawrence, U.S. Attorney Barry Grissom said today.

Antonio P. Gaitan, 36, who is currently in federal custody, is charged with one count of bank robbery. The indictment alleges that on April 5, 2014, he robbed Truity Credit Union, 3400 West 6th Street in Lawrence, Kan.

If convicted, he faces a maximum penalty of 20 years in federal prison and a fine up to $250,000. The FBI and the Lawrence Police Department investigated. Assistant U.S. Attorney Mike Warner is prosecuting.

Other Indictments

Darrian Michael Stewart, 20, currently in the Shawnee County Jail, is charged with two counts of robbery. The indictment alleges that on June 20, 2014, he robbed a BP gas station at 1401 S.W. Huntoon in Topeka, Kan. The indictment also alleges that on June 11, 2014, he robbed Cali Smoke Stop and Gas at 2701 S.E. California Avenue in Topeka.

If convicted, he faces a maximum penalty of 20 years in federal prison and a fine up to $250,000 on each count. The FBI and the Topeka Police Department investigated. Assistant U.S. Attorney Jared Maag is prosecuting.

Shu-Ying Sun, 44, who has been living in Overland Park, Kan., and Mark Andrew Garlock, 49, Overland Park, Kan., are charged in a superseding indictment with one count of conspiracy to commit marriage fraud and one count of making a false statement on a passport application. The crimes are alleged to have taken place from 2005 to 2009 in Douglas County, Kan.

The indictment alleges that Sun, who is a foreign national, entered into a marriage contract with Garlock for the purpose of evading immigration laws. She had the assistance of Quong Bow Low, who offered to assist aliens in the pursuit of lawful status. He charged fees for services such as coaching defendants on how to answer questions during immigration interviews so officials would believe the couple had entered into a valid marriage.

Low pleaded guilty to one count of conspiracy to commit marriage fraud and is set for sentencing Aug. 14.

If convicted, Sun and Garlock face a maximum penalty of five years in federal prison and a fine up to $250,000 on the conspiracy count, and a maximum of 10 years and a fine up to $250,000 on the other count. The Department of Homeland Security investigated. Assistant U.S. Attorney Christine Kenney is prosecuting.

Nestor D. Duenas-Vasquez, 26, Glenpool, Okla., and Kyndal N. Upson, 24, Owasso, Okla., are charged with one count of possession with intent to distribute more than a pound of heroin. The crime is alleged to have occurred June 26, 2014, in Sedgwick County, Kan.

They initially were charged in a criminal complaint filed June 30, 2014. It is alleged Wichita police discovered the heroin when they stopped the two for a traffic violation June 26 near I-135 and 21st street.

If convicted, they face a penalty of not less than five years and not more than 40 years in federal prison and a fine up to $250,000. The Wichita Police Department and the Drug Enforcement Administration investigated. Special Assistant U.S. Attorney Michelle Jacobs is prosecuting.

Ronnie Davone Matthews, 20, who is in custody in the Shawnee County Jail, is charged with one count of unlawful possession of a firearm following a felony conviction. The crime is alleged to have occurred Feb. 6, 2014, in Shawnee County, Kan.

If convicted, he faces a maximum penalty of 10 years in federal prison and a fine up to $250,000. The Topeka Police Department and the FBI investigated. Assistant U.S. Attorney Jared Maag is prosecuting.

Nolberto Medina-Campos, 36, Kansas City, Kan., is charged with one count of possession with intent to distribute methamphetamine. The crime is alleged to have occurred June 18, 2014, in Wyandotte County, Kan.

If convicted, he faces a penalty of not less than 10 years and a fine up to $10 million. Homeland Security Investigations investigated. Assistant U.S. Attorney Chris Oakley is prosecuting.

Daniel Floyd Jenkins, 20, is charged with failing to register as required by the Sex Offender Registration and Notification Act. The crime is alleged to have occurred starting in April 2014 in Shawnee County, Kan.

If convicted, he faces a maximum penalty of 10 years in federal prison and a fine up to $250,000. The Topeka Police Department and the U.S. Marshals Service investigated. Assistant U.S. Attorney Christine Kenney is prosecuting.

In all cases, defendants are presumed innocent until and unless proven guilty. The indictments merely contain allegations of criminal conduct.