on facebook. >> and when i got there there were police cars, fire trucks and the house was smoldering. and i still didn't believe it. >> with the horror and disbelief came questions. could this have been foreseen? could josh's evil plan somehow have been derailed? >> i feel strongly that the judge did everything possible to protect the boys. josh did it, and i truly believe that when someone is committed to doing something this horrific, there is nothing anybody can do to stop them. he was going to do it. >> but could the children have been rescued in those final moments? is someone to blame? >> it was horrible. i mean, this has been a nightmare. >> fingers have been pointed at this man. dave loverack, he's the 9-1-1 dispatcher who caught the initial call that day. >> what is the address? >> just one of thousands in his 18 years in the job. >> to hear how clumsy and faltering i sounded.
>> the coxs don't blame dave loverack, not at all. and they've worked hard to stay calm, even after the loss of their grandsons, along with josh and whatever he may have known about susan. >> i think he was very selfish. and that is why he took the kids. if he couldn't have them, no one could have some. >> i would've appreciated it if he had left a note and told us where susan was, something. >> maybe the point was not to tell anyone. >> yeah. >> yeah. i'm sure he wants for us to never find her. >> he is still mad at us, you know? mad at us because we won't give up on our daughter, on finding our daughter. >> investigators have not given up either. they searched that storage unit at josh's and recovered a comforter among susan's belongings. preliminary tests indicated bloodstains on it, and chuck cox believes there is still one person who can answer his questions. >> his dad knows something, his