mention or any trace they ever existed. and those threatening messages sent to ryan? still no idea who sent them. >> it is hard to think that way when you desperately want to solve it but yes. >> so the years rolled by. richard became a critical care nurse. ryan, the self-admitted stoner, says he stopped smoking. he was working toward a bachelor's degree in business and had started his own events and entertainment company. magdi would have been proud of his boys if he knew how far they'd come but richard and ryan said they never once got a call from him in all those years and they made no effort to contact him. they did call the westminster police department again and again urging detectives to investigate their father and each time, they heard the same response. >> you know, we're still looking into it. we don't have any new leads. there is nothing -- >> depressing.