Eyewitnesses to the incident immediately contacted the emergency number 911 to request an ambulance at the housing complex located along the Cancún-Puerto Morelos highway, due to the severe blood loss of the victims. Professionals from a private health care company arrived at the scene to provide care to the injured, who were transferred to the IMSS specialty clinic. Officials from the three levels of government appeared at the crime scene to carry out the relevant procedures. As preliminary information, the hitmen left a “narcomanta” with a threatening message.