Authorities estimate that the innocent children had been dead for three to four years before their bodies were discovered. Article continues belowTheir mother, Hakyung Lee, 44, had pleaded not guilty to the gruesome murders, but the jury needed only two hours to find her guilty. She now faces the possibility of life behind bars with no chance of parole for at least ten years. After a two-week trial, she was found guilty of murder at Auckland High Court on Tuesday. The defense argued that while Lee did kill her children, she was "not guilty of murder by reason of insanity," her lawyer said.