Six, including Twins and their Grandma, Sentenced for Trafficking Hundreds of Kilos of Meth in the Upstate

SPARTANBURG, S.C. — Six individuals, including a set of twins and their grandmother, from the Upstate were sentenced to a total of 813 months in federal prison after they pleaded guilty to conspiracy to distribute methamphetamine. Biggerstaff additionally pleaded guilty to possessing a firearm in furtherance of drug trafficking.

• Mikayluh Walker, 26, of Gaffney
• Mikenzi Walker, 26, of Gaffney
• Christopher Biggerstaff, 42, of Chesnee
• Brenda Mincey, 34, of Gaffney
• Aa’lyah Maulana Tukes, 29, of Simpsonville
• Sondra Walker, 67, of Gaffney

Evidence presented to the court showed that since at least 2022, Mikayluh and Mikenzi Walker (the Walker twins) were distributing drugs in the Upstate of South Carolina. In at least 2023, the Walker twins were making trips to obtain methamphetamine from Atlanta, Georgia, a source city for drugs. The Walker twins utilized two stash houses during the conspiracy, one where they lived with their grandmother and co-defendant, Sondra Walker, and the other rented by Mikayluh’s girlfriend, Aa’lyah Tukes. In addition to letting the twins use the residence as a storage and distribution point for methamphetamine, Sondra Walker also distributed methamphetamine herself. During the conspiracy, Mikayluh Walker was responsible for distributing 250 kilograms of methamphetamine and over 600 grams of fentanyl and possessing multiple firearms in the course of the drug trafficking conspiracy.  Mikenzi Walker was responsible for distributing 86 pounds of methamphetamine and 10 grams of fentanyl.

Evidence demonstrated that in July of 2023, officers arrested Brenda Mincey with methamphetamine and over 100 blue pills containing fentanyl. Investigative efforts determined that the drugs were sourced through the Walker twins and another defendant Jonathan Adam Sarratt.

On Jan. 10, 2024, law enforcement conducted surveillance on one of the Walker twins’ stash houses and observed Biggerstaff appear to pick up drugs from the location. Local law enforcement stopped Biggerstaff’s car and searched him, locating 421 grams of methamphetamine and two .45 caliber pistols. During the investigation, law enforcement determined that Biggerstaff distributed over 26 kilograms of drugs that were supplied by the Walker twins and that he additionally carried a 9mm pistol during the conspiracy. Biggerstaff had a lengthy criminal history at the time of his offense.

On April 12, 2024, a search warrant was conducted on Sondra Walker’s residence, where Mikayluh Walker was living and using as a stash house. Law enforcement recovered approximately 26 kilograms of methamphetamine, 5,000 fentanyl pills, and a 12-gauge pistol grip shotgun. The same day, law enforcement conducted surveillance on and searched the car of Aa’lyah Tukes, Mikayluh’s girlfriend, and found Tukes with over $129,000 of drug proceeds. A search warrant was conducted on Tukes’ apartment, and law enforcement located an additional $21,000 of drug proceeds. 

United States District Judge Donald C. Coggins sentenced Mikayluh Walker to 276 months to be followed by a five-year term of court ordered supervision; Mikenzi Walker to 180 months imprisonment, to be followed by five years of supervision, Christopher Biggerstaff to 192 months, followed by five years of supervision; Brenda Mincey to 85 months, to be followed by three years of supervision, Aa’lyah Tukes to 32 months, followed by three years of supervision, and Sondra Walker to 48 months of home incarceration, followed by two years of supervision. Sarratt is awaiting sentencing.

This prosecution is part of an Organized Crime Drug Enforcement Task Forces (OCDETF) investigation. OCDETF identifies, disrupts, and dismantles the highest-level drug traffickers, money launderers, gangs, and transnational criminal organizations that threaten the United States by using a prosecutor-led, intelligence-driven, multi-agency approach that leverages the strengths of federal, state, and local law enforcement agencies against criminal networks. Additional information about the OCDETF Program can be found at https://www.justice.gov/OCDETF.

This case was investigated by Homeland Security Investigations– Border Enforcement Security Task Force, the Bureau of Alcohol, Tobacco, Firearms and Explosives, the South Carolina Law Enforcement Division, the Cherokee County Sheriff’s Office, the Spartanburg County Sheriff’s Office, the Greenville County Sheriff’s Office, and the Greenville County Multi-Jurisdictional Drug Enforcement Unit. Assistant U.S. Attorney Jamie Schoen is prosecuting the case.

###