river. >> the high and low search across the eerily beautiful pollutes country, for any search of rachel andersonsappearance, detectives were convinced they had identified their prime persons of interest. rachel's estranged husband charles, and his churchgoing buddy david stone. but the investigation had stalled and was at a parent dead and. no secret what's the biggest obstacle was four lead investigators captain dan hally and detective jackie nichols. >> it's an axiom in law enforcement nobody, no crime. >> at this point we don't even know we have a death. we believe that in our gut. >> as the cops dug deeper into the background of the husband's friend david stone, the case suddenly became way more complex. a mind-blowing theory. maybe this wasn't just about one wife, rachel, maybe it was about to. the investigation had led them to the city maintenance yard were stone worked. fellow employee there had related a conversation he'd had with david stone a while. back >> is surfaces that there had been some conversations between david stone and this individual. about a plan to kill stone's wife for

anderson. >> all right, priscilla alvarez, thank you. joining me now is john poland and rachel goldberg whose son, hirsch, was taken hostage at the music festival the day that hamas attack. two hostages were released last night, both americans. i'm wondering, when you learned of that, what were your thoughts? >> first of all, i'm really happy for them, those hostages, their loved ones. they got the outcome we are now hoping that the other 201-ish hostages get. they were both women. they were people who lived full time in the united states and were here to visit. i am not surprised that they are the first two. i just hope there are many more to follow, including our son, who is 15 days in, having his arm blown off and we hope, getting antibiotics and medical treatment. >> john and rachel, hirsch has a severe wound, as john was saying, part of his left arm was either shot or blown off. his hand is gone. do you feel there has been enough attention on those who are being held hostage who have severe life-threatening medical conditions? there are a number of people that we know abou