Sunday, December 14, 2025

18-year-old Moses Xavier Martínez Serving Two Life-terms In Prison For The Double Homicide Of Isaac Rodriguez-Duarte, 15, and Diego Francisco Herrera-Mejia, 16, In The Southside Of Milwaukee

Martínez was sentenced last November to two life-terms in prison without the possibility of parole for the double homicide of Rodriguez-Duarte, 15, and Herrera-Mejia, 16.

By H. Nelson Goodson 
Hispanic News Network U.S.A.

December 14, 2025

Milwaukee, Wisconsin - On November 14, Moses Xavier Martínez, 18, was sentenced to two life-terms in prison without the possibility of parole after a Milwaukee County jury in August found Martínez guilty of two felony counts for 1st-degree intentional homicide for the June 15, 2024 double homicide of Isaac Rodriguez-Duarte, 15, and Diego Francisco Herrera-Mejia, 16, in the Southside of Milwaukee. Martínez was also found guilty on one felony count for 1st-degree recklessly endangering safety for the shooting of Emily Rocha, 14, and found guilty for one felony count for using a vehicle and fleeing an officer, according to Milwaukee County court records.

Martínez will concurrently (at same time) serve two life-terms in prison, including a total of 25 years and five months in prison for two other felony convictions. Martínez was ordered to pay $20,184 in restitution to the surviving victim and victim's family.

On August 14, Martínez was found guilty for the double homicide of Rodriguez-Duarte and Herrera-Mejia, and the shooting of Rocha at the 900 block of W. Manitoba Ave. in the Southside of Milwaukee, according to Milwaukee County court records. 

According to the criminal complaint, Martínez allegedly shot at Rodriguez-Duarte, Herrera-Mejia after a brief altercation, and Martínez then fled in an electric scooter. Rocha who is Herrera-Mejia's cousin was also shot by Martínez.

Rodriguez-Duarte, Herrera-Mejia and Rocha were attending Herrera-Mejia's 16th Birthday party, when they decided to take a walk with other party participants when they were soon confronted by Martínez and another male suspect who were passing by in an electric scooter. A brief argument ignited and Martínez took out a handgun and then intentionally shot at the victim's.

Rodriguez-Duarte was pronounced deceased at the crime scene and Herrera-Mejia was later pronounced deceased at Froedtert Hospital.

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