Overview

• Jonaiki Martinez-Estrella, 31, was found dead Friday at Coxsackie Correctional Facility in upstate New York.
• He had been resentenced in May to 25 years to life with parole eligibility on second-degree murder charges.
• A 2023 appellate ruling overturned his first-degree murder conviction by rejecting a torture element and reduced his original life without parole sentence.
• Martinez-Estrella was convicted of inflicting the fatal neck wound on 15-year-old Lesandro ‘Junior’ Guzman-Feliz during a 2018 mistaken-identity attack by Trinitarios gang members.
• At least 13 co-defendants have also been sentenced in the case, with many serving 25 years to life for their roles in the killing.