News and Press Releases

Five People Sentenced To Federal Prison For Meth-Distribution Conspiracy

August 21, 2012

Contact: Peter Deegan

Four men and one woman have been sentenced to federal prison for their roles in a methamphetamine distribution conspiracy.

Jeremy Jack Stanberg, age 32, of Fort Dodge, Iowa, received his prison term after an April 12, 2012, guilty plea; Trista Marie Espinoza, age 27, of Fort Dodge, Iowa, received her prison term after an April 25, 2012, guilty plea; Mark Allen Fandel, age 53, of Whittemore, Iowa, Richard J Timothy Barkema, age 35, of Mason City, Iowa, and Brent Alan Lamp, age 30, of LeMars, Iowa, received their prison terms after April 27, 2012 guilty pleas. Espinoza, Stanberg, Barkema, Lamp, and Fandel each pled guilty to conspiracy to distribute methamphetamine. Lamp was previously convicted of a felony drug offense in Plymouth County, Iowa, in December 2001; Fandel was previously convicted of a felony drug offense in Calhoun County, Iowa, in October 2006; Barkema was previously convicted of a felony drug offense in Cerro Gordo County, Iowa, in March 2004; and Espinoza was previously convicted of a felony drug offense in Webster County, Iowa, in August 2003.

According to information disclosed at the sentencings and change of plea hearings, Lamp received multiple ounce quantities of methamphetamine and resold it to numerous others. Espinoza was tasked with delivering methamphetamine to and picking up money from customers. Barkema and Stanberg were receiving ounce quantities of methamphetamine from Lamp and re-distributing it to others. Fandel brokered transactions involving up to one-eighth ounce quantities of methamphetamine. The conspiracy lasted from January 2011 to December 2011 in Cerro Gordo County, Iowa.

Espinoza was sentenced on August 14, 2012, and Fandel, Lamp, Stanberg, and Barkema were sentenced on August 20, 2012, in United States District court in Cedar Rapids by United States District Court Chief Judge Linda R. Reade. Espinoza was sentenced to 180 months’ imprisonment, Barkema and Lamp were each sentenced to 210 months’ imprisonment, Fandel was sentenced to 151 months’ imprisonment, and Stanberg was sentenced to 188 months’ imprisonment. Espinoza, Lamp, and Barkema, must each serve ten-year terms of supervised release after prison. Fandel must serve an eight-year term of supervised release after prison, and Stanberg must serve a five-year term of supervised release after prison. There is no parole in the federal system. Espinoza, Fandel, Lamp, Stanberg, and Barkema, were each ordered to pay a $100 special assessment.

All five are being held in the United States Marshal’s custody until they can be transported to a federal prison.

The case was prosecuted by Assistant United States Attorney Jack Lammers and investigated by the Iowa Division of Narcotics Enforcement, Humboldt County Sheriff’s Office, Cherokee County Sheriff’s Office, Webster County Drug Task Force, and the North Central Iowa Narcotics Task Force.

Court file information is available at The case file number is 12-3009.



Return to Top

Victim Witness Assistance

Making sure that victims of federal crimes are treated with compassion, fairness and respect.

Community Outreach

Giving Back to the Community through a variety of venues & initatives.


Filing Civil Rights Complaint.

Project Safe Childhood

Help us combat the proliferation of sexual exploitation crimes against children.