One of the suspects took the car of a victim and drove off with it. The car was later found abandoned on the outskirts of Mexico City. The case was viewed as a burglary due to the various objects taken from the residence. In August 2015, an unnamed serial rapist was arrested for the deaths of the victims. His fingerprints matched up to the evidence found in the apartment. There is still an ongoing investigation for the other two suspects caught on the surveillance video. The police department in charge of the investigation do have fifteen statements as well as evidence and photographs. Espinosa had reported threats being made towards him before his death. Espinosa had previously had several run ins with the law while covering several social movements. In 2012, Espinosa covered a student protest against Governor Javier Duarte during the anniversary of the revolution. During the protest Espinosa was grabbed and the man stated "Stop taking pictures if you don't want to end up like Regina". Regina Martinez Perez, was also a correspondent for "Proceso" and "Cuartoscuro" magazines. She had recently been killed after reporting on state official. Espinosa released a photograph of Governor Javier Duarte. The photograph showed Governor Duarte wearing a police cap and his stomach hanging over and below his belt. Espinosa received multiple threats after the release of the photograph. The governor was outraged by the photograph and article. He sent people to find and buy out all the prints released in various locations. Espinosa decided to flee Veracruz and find refugee in Mexico City, Mexico. His decision was made after seeing men standing outside of his house three separate times. He had reported that the men were giving him intimidating glances and gestures. On 31 July 2015 Espinosa was found alongside four other women. The women were identified as Nadia Vera, Yesenia Quiroz, Mile Virginia Martin, and Alejandra Negrete. His and the bodies of the women were all found killed execution style. Mile Virginia Marin was the last of the victims to be identified due to having a Colombian origin. Espinosa is the seventh journalist that has been killed in Mexico in the year 2015. Since 2011 under Javier Duarte's govern of Mexico 15 journalist have been killed. Regina Martinez Pérez, Miguel Angel Lopez Velasco, Yolanda Ordaz de la Cruz, and the other journalist who have been murdered all have one similar thing. All their murders have had no responsible culprit punished. Regina Martinez Pérez worked alongside Espinosa in the past and was murdered on 28 April 2012.