Man Suspects Wife in Son's Disappearance

Julia Biryukova refused to take polygraph test after toddler son went missing.
1:45 | 11/11/11

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Transcript for Man Suspects Wife in Son's Disappearance
Police near Seattle are hoping to re interview the mother of a missing two year old boy. She's refusing to take a polygraph test and now her estranged husband is pointing fingers ABC's Neal Karlinsky has the story. It's very very hard for me to talk about it. This for the first time sky medal Wallace father says he believes his estranged wife -- -- you -- up. Had something to do with their son's disappearance I do believe. Julia has she is responsible. Julius says she ran out of gas and left sky strapped in his car seat while she walked for help. He hasn't been seen since and police believe Julia hold the answers. Now her husband is -- more strange details including a dream he says she once shared with -- in his dream she was strangling sky. And in the very R&R and police have revealed that there were examining a recent episode of law and order SP EU in which a mother covers up a child's death. By saying he was taken from her car. Solomon -- -- lawless says. It's no coincidence. Law and -- -- this finish -- since she got that idea in her head because I can make this happen. -- -- -- -- -- -- -- Solomon has agreed to to lie detector tests police say they're frustrated. Julia has not agreed to one she hasn't responded to repeated requests for comment from GM -- either. Police fear the search for sky middle -- is stuck in May not budge until his mother has more to say. We are open and willing to interview her and take information from her whatever she's ready to do -- Thanks to Neal Karlinsky.

This transcript has been automatically generated and may not be 100% accurate.

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