Comment on DNA results: the murderer does not have to be in the national DNA database to be identified by crime scene DNA. LE, FBI, investigators most likely collected a DNA sample from all those interviewed. Imagine someone they interviewed declining to submit to a simple buccal swab for DNA, right away that would throw a red flag. Comment regarding the 911 call "unresponsive person": yes some language usage is standard by dispatch. The caller may or may not have used the description "unresponsive". Standardized language is commonly used in many industries, organizations and public service sectors. This language prompts a more efficient response to requests. Example being a police call for unresponsive will trigger responding officers to prepare a narcan kit, contact EMS, and wear PPE, (personal protective equipment). PPE such as mask, and gloves to aid in protection from potentially hazardous biologic material. Dispatch may or may not have asked qualifying questions of the caller. These are questions like, is he breathing, do you feel a heartbeat, etc. The 911 caller may or may not be comfortable touching an unresponsive person to check for heartbeat or breathing. I worked in the ER for many years. When a patient registered to be seen in the ER in the main lobby, we were immediately prompted to the basic complaints. Our staff then had a room ready to include necessary equipment to best treat the incoming patient. Examples are ; the patient complaining of chest pain and SOB,(shortness of breath), we communicated that with the description "a heart" is coming to ER suite 100. Staff had an EKG machine, cardiology on stand-by, lab for cardiac enzymes etc., Everything needed to address a potential heart attack. A patient registering with laceration, we had a room ready with wound care, possibly x-ray and lab for microbiology testing etc. This 911 call could reflect this basic standardization of communication to insure an efficient response. The possibility that whoever called 911 saw an unresponsive person only, without blood still exists. It's possible the person wasn't a victim, rather someone else who was passed out in the house. In this day of overdoses, the dispatch may ask if there are any other passed out people. It could be then or even before the 911 call that as they walked through the house they found locked doors and became panicked, calling friends to come over. They may have had no awareness of the attacks. They may not have recognized the "unresponsive" person at that point. It's a party house, people in and out, someone's passed out, they call friends over, discover locked doors, things get weird, everyone's a little hungover... MOO