Lopez is still on the run after authorities identified him as a suspect last month.
Hernandez, a mother of three and a teacher at BelovED Charter School in Jersey City, was reported missing on Feb. 6 and found dead the next day. An autopsy determined that she died from blunt-force trauma and compressions to the neck.
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Hernandez's estranged husband, 36-year-old Cesar Santana, was arrested on Feb. 10 at a motel in Miami. He is facing counts of first-degree murder and other charges.
Luz Hernandez, 33, a mother of three and a teacher at BelovED Charter School, was found dead on Tuesday, Feb. 7, 2023. (Facebook/Luz Hernandez)
Lopez and Santana were involved in a traffic stop on Feb. 5 on Central Avenue in Kearny, New Jersey, the day before Hernandez went missing. Homicide detectives found Hernandez's remains near the location of that traffic stop two days later.
Police are still searching for Lopez. Anyone with information about his whereabouts can contact the Hudson County Prosecutor’s Office at 201-915-1345.
Fox News Digital's Chris Eberhart contributed to this report.