brian pardo began raising questions about her husband darin. darin adamantly denied any involvement in the murders of his sons and to prove it he submitted to a polygraph test. >> the polygraph examiner worked with the police department. he came around the other side of the table and sat down. and he said, darin, you have utterly failed this examination. it looks to me like you perpetrated this crime. >> i was not. >> you were. >> in what way? >> in what way? you helped plan. you were aware of what happened and you helped carry it out. and you stabbed your wife. >> no, i did not. >> when brian pardo came back and pointed a finger at darin, the whole family went ballistic,