[2] The people who were found murdered in Carolina were identified by Puerto Rico's police as 27-year-old Eric Johan Batista Trinidad Navarro, 18-year-old Dartaneon Pablo Figueroa Navarro, and 15-year-old Iván Alfonso Morales Rivera, while the two young women found dead in Loíza were identified as 13-year-old Nahia Paola Ramos López and her best friend, 15-year-old Tanaisha Michelle De Jesús Curet.
[6] Meanwhile, Iván Morales was a suspect of and had been interrogated as part of an investigation concerning an earlier massacre that had taken place at El Campesino, a local business in Guayama, where three people had died.
[8] The three males were murdered in Carolina, while the two females were taken to the Loíza area of Piñones, near Luis Muñoz Marín International Airport, and were killed there.
Agent Torres of the Carolina homicides division and prosecutor José Carrasquillo were placed in charge of the investigation.
[12][13] Puerto Rico police arrested Jose Martinez Serrano and Edwin Yadiel Flores Tavares in relation with the murders of the two young girls.