Sioux City Man Sentenced to Federal Prison for Meth Convictions

Phillip Plummer, age 42, from Sioux City, Iowa, was sentenced today in federal court in Sioux City to 120 months’ imprisonment.  Plummer pled guilty February 10, 2025, to one count of conspiracy to distribute methamphetamine, one count of distribution of methamphetamine within 1,000 feet of a school, and another count of distributing methamphetamine.

Evidence at the plea and sentencing hearings showed that between 2022 and May 2023, Plummer and others conspired to distribute more than 5 kilograms of methamphetamine in the Sioux City area.  Plummer admitted to distributing methamphetamine on seven separate occasions to an individual cooperating with law enforcement, four of which occurred within 1,000 feet of schools, namely, Mater Dei Elementary School and Hunt Elementary School in Sioux City.  During the search of Plummer’s residence in May 2023, law enforcement officers seized 271.7 grams of pure methamphetamine, 155.6 grams of cocaine, 31.6 grams of suspected MDMA, 55.1 grams of suspected marijuana, 37.9 grams of suspected cocaine, two bags of medicated Jolly Rancher Gummies 600mg THC (109.9 grams) and two vape pens (73.2 grams).  Plummer intended to sell the majority of these controlled substances to persons in the Sioux City area. 

Sentencing was held before United States District Court Judge Leonard T. Strand.  Plummer was sentenced to 120 months’ imprisonment and must serve ten years of supervised release following the imprisonment.  There is no parole in the federal system.  Plumer remains in custody of the United States Marshal until he can be transported to a federal prison.  

The case was prosecuted by Assistant United States Attorney Shawn S. Wehde and was investigated by Tri-State Drug Task Force based in Sioux City, Iowa, that consists of law enforcement personnel from the Drug Enforcement Administration; Sioux City, Iowa, Police Department; Homeland Security Investigations; Woodbury County Sheriff’s Office; South Sioux City, Nebraska, Police Department; Nebraska State Patrol; Iowa National Guard; Iowa Division of Narcotics Enforcement; United States Marshals Service; South Dakota Division of Criminal Investigation; and the Woodbury County Attorney’s Office.    

Court file information at https://ecf.iand.uscourts.gov/cgi-bin/login.pl.

The case file number is 24-4069.  Follow us on X @USAO_NDIA.