Yovanny Mendivil-Balderama Gets 50 Years for Meth-Fueled Murder

Yovanny Aroldo Mendivil-Balderama, a 23-year-old Mexican national, was sentenced to 50 years in federal prison without parole for orchestrating the cold-blooded murder of a drug partner during a methamphetamine trafficking operation in southwest Missouri. U.S. District Judge Roseann Ketchmark handed down the sentence in Springfield after Mendivil-Balderama pleaded guilty to conspiracy to distribute meth and using a firearm in furtherance of drug trafficking, resulting in murder.

The killing targeted Oscar Adan Martinez-Gaxiola, a co-conspirator who transported large quantities of meth from Arizona or Mexico into Greene, Dallas, Webster, and Christian Counties between April 2015 and April 2016. The plot unfolded after a major drug bust on April 6, 2016, when law enforcement seized 1.9 kilograms of meth, a sawed-off shotgun, a .22-caliber pistol, a drug ledger, and $3,662 from the hotel room of Brooke Danielle Beckley, 21, of Nixa. That seizure left Beckley $44,000 in debt to both Mendivil-Balderama and Martinez-Gaxiola.

Text messages revealed Mendivil-Balderama and Beckley conspired to eliminate Martinez-Gaxiola to erase the debt and neutralize a perceived threat. On April 21, 2016, Mendivil-Balderama messaged Beckley: “I just need someone to help me get rid of someone I need gone like now.” The target was clear. Beckley recruited Anthony Edward Donovan, 21, of Springfield, offering $6,000 to carry out the hit. Donovan pulled in Nathaniel Austin Lee, 20, of Seymour, who offered his rural Webster County property for the ambush—plus a share of the cash.

On April 24, 2016, the killers gathered at Lee’s property and fired multiple rounds in a dry run. The next day, Mendivil-Balderama lured Martinez-Gaxiola to the site under the false promise that Beckley would pay the debt. When Martinez-Gaxiola exited the vehicle, Donovan and a minor accomplice, Joshua Applegate, opened fire with handguns. After Martinez-Gaxiola fell, Donovan approached and executed him with a single gunshot to the head. Despite being armed, Martinez-Gaxiola never fired his weapon.

Neighbors heard the barrage—between 30 and 60 rounds—and called authorities. Webster County deputies arrived to find a blood-soaked crime scene and a network of betrayal built on drugs, debt, and deceit. Mendivil-Balderama, the architect of the murder, faced justice not for pulling the trigger but for wielding a firearm in connection with a drug conspiracy that ended in death.

Brooke Danielle Beckley, who pleaded guilty to the same charges, was sentenced on February 26, 2018, to 40 years in federal prison without parole. The case, prosecuted by the U.S. Attorney’s Office for the Western District of Missouri, underscores the lethal stakes of transnational drug operations and the deadly calculus of cartel-style enforcement on American soil.