something big going down at chanin starbuck's house.h of crime scene-- >>> flashing lights, squad cars, violated the peaceful neighborhood in deer park, washington. something big going down at chanin starbucks house. >> there's a bunch of crime scene tape and a bunch of detectives outside our house. >> when chanin son blake drove up to the street where his mother lived, he stopped cold. >> it was obvious something bad had happened. the whole yard was blocked off. >> the awful news was beginning to spread beyond the now crowded street. when chanin's friend some are heard, all she could think of for the kids. >> do they no? do they know what's happened? where are they? they just lost their mother. they just lost their mom. >> thousands of miles away in florida, chanin's brother stephen heard it forced from the local sheriff and phoned his younger sister. >> i called amy and told amy you need to meet me at mom's. she could tell something was wrong and she started crying immediately. i hightailed it to mom's and we walked in together. >> an

>> no. >> do you think chanin starbucks killer was trying to send a message? bout his ex-wife chanin, the detectives whom he believed ignored promising leads in order to hang her murder on him. >> they were after me. they had their guy. they didn't want anybody else. they wanted to drive me to the prosecution. >> for starters the case against him is based largely on a faulting understanding of the dna evidence. >> it was not considered a match of dna. it was not 100% match. >> the dna found is a partial strand that can occur in nearly one and 3000 in the u.s. according to the crime lab. not nearly as accurate as standard dna testing. yet, that evidence said clay, was blown out of proportion by investigators on a mission. >> mishandling. really, i can state a lot of things. >> the case has been botched? is botched a big word or is it okay? >> i would concur. i would say botched is fair game. there is smart people that meet elementary mistakes. >> even if it was his dna at the scene says clay it proves nothing. not only had he slept in that bed for years, he had

and so, the wave of sorrow that began with the loss of chanin starbuck , a lovely woman, continues to ripple through though she loved best. the children. >> they were her world and no matter what happened, what was said, what has been done she loved them. she wants them to be successful and have good lives. >> she did not deserve the way her life ended on a cold december morning. mber morning. >>> this is "dateline". >>> i am here in pain and so hurt and so sad. i would give anything for christian to be here. >> reporter: the whole world ahead of them.>> he grabs my chin and pulls me up and he gives me this magical kiss. >> reporter: their secret romance will be to something shattering when christian vanished. >> my young life went out the window. >> it was tense and we were nervous. we were scared. >> am starting to believe there may be more to this than just a missing person. >> reporter: where was he? did someone have something to hide. a lovers triangle. a circle of friends. was one of the may killer? >> this was planned in on purpose. >> how could do do something so horrific? >>>