Gang member convicted of killing Lesandro 'Junior' Guzman-Feliz died in NY prison

Jonaiki Martinez-Estrella, 31, who was convicted of killing Lesandro Guzman-Feliz, known as "Junior," has died at the New York State Correctional Facility, according to the New York State Department of Corrections and Community Supervision. 

Martinez-Estrella was a gang member convicted of fatally stabbing 15-year-old Guzman-Feliz in 2018, sparking widespread public outcry.

Martinez-Estrella's body was discovered Friday afternoon at Coxsackie Correctional Facility.

Prison officers immediately attempted to resuscitate him using CPR (cardiopulmonary resuscitation), Narcan and an AED (automatic external defibrillator )before calling an ambulance.

arriving doctors stated the death of Martinez-Estrella in the hospital. Currently, the cause of his death is being established by a forensic medical examination. Martinez-Estrella was a gang member convicted of fatally stabbing 15-year-old Guzman-Feliz in 2018, sparking widespread public outcry.

A Bronx Supreme Court Justice resentenced Martinez-Estrella to 25 years to life in prison in Guzman-Feliz's murder.  The Court of Appeals overturned the defendant's conviction on first-degree murder In March 2023, for which he received life in prison without the possibility of parole.

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