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Rinnyers Pena Pleads Guilty to Disinterring Alenny Matos

Prosecutors say multiple lines of evidence tied Pena to Matos' 2020 disappearance.

Overview

  • Pena pleaded guilty Thursday to one count of disinterring a human body and received a three-year prison term that will run concurrently with his existing 17–20 year sentence.
  • He was convicted in mid-May of rape, kidnapping and related charges and is currently serving a 17–20 year term at Souza-Baranowski Correctional Center.
  • Prosecutors say phone location data, surveillance of Pena’s work truck and tow-bed footage, a recorded tow call, and alerts from a human-remains detection dog linked him to the pickup and disposal of Matos.
  • Alenny Matos’ remains were found in May 2020 in a trash bag in Stony Brook Reservation, identified by dental records, and postmortem toxicology detected fentanyl, acetyl fentanyl, and mercury.
  • After his concurrent sentence Pena will face five years of probation with GPS monitoring and sex-offender registration and Matos’ family delivered victim impact statements describing lasting harm to her son and relatives.