Following the infant's death, the police, who initially charged Melendez with aggravated assault, upgraded his charges to aggravated manslaughter.


Trigger Warning: This post contains a graphic description of infant-related injuries and death of an infant.

A father who was charged with aggravated assault of his twin infant children has now been charged with manslaughter after one of his children passed away, authorities said. The child died on Thursday after succumbing to the injuries sustained from the alleged assault, the Bergen County Prosecutor's Office said in a statement. We had previously reported that the twin babies, who were barely over a month old, were found to be suffering from multiple broken bones and internal bleeding of the brain after staying overnight at their father's apartment in the Bronx.



27-year-old Jonathan Melendez was first given two counts of aggravated assault and two counts of endangering the welfare of a child after the mother of the twins brought both the babies to Hackensack University Medical Center, according to the prosecutor's office. The mother said that they seemed 'lethargic'. She quickly took them to the emergency room in Bergen County that very night and discovered something terrifying.



The doctors at the hospital had found that both the babies had severe injuries like broken femurs, tibias, and ribs, as well as internal bleeding of the brain. Police then issued an arrest and took Jonathan Melendez into custody on child endangerment charges in New Jersey and also continued questioning the mother. While NJ.com previously noted that one of the twins was in a stable condition while the other was critical, the latter later succumbed to his injuries and passed away. The Bergen County Prosecutor’s Office and the Teaneck Police Department conducted a joint investigation and found out that the infants were under the supervision of the father when the injuries occurred.



Following the infant's death, Teaneck police then upgraded the charges of the accused from aggravated assault to aggravated manslaughter, the prosecutor's office said. Jonathan Melendez continues to remain in custody at Bergen County Jail awaiting his sentence. After receiving the notification, a joint investigation was conducted by the Bergen County Prosecutor’s Office under the direction of Chief Robert Anzilotti and the Teaneck Police Department under the direction of Chief Glenn M. O'Reilly.


Melendez’s mother was quite shocked at the entire incident and said that that she had never seen any tension between her son and the twins’ mother and can't believe he would cause any harm to his children.“I saw them two weeks ago and they were fine," the grandmother said at her home in the Bronx, according to New York Daily News. “I can’t imagine (him) doing this.” A month before her due date, the babies’ mother reportedly wrote a long Instagram post expressing her love for her partner.

The outlet reported that she had written back in August: My love - what can I say? This ride has been anything but smooth but we’ve come this far and I couldn’t imagine it being with anyone other than you. My love for you runs so deep because you support and care for me in ways I’ve never felt before. Thank you for always being there and for already being the best dad a set of twins could ever ask for. I love you!. From that testimony, it seemed apparent that there was no hate between the father and the twins, yet something went down that resulted in the twins' horrific injuries

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