Andrew Koenig's parents left frustrated with 'Larry King Live,' says sister

Walter-Judy-Koenig-Andrew-Mising-Larry-King-Live-500.jpgLast night (Wed. 2/24), Walter and Judy Levitt Koenig, the parents of missing "Growing Pains" actor Andrew Koenig, walked out on " Larry King Live," leaving the host dumbfounded as to why.

Media and fans speculated that the couple had heard some news about their son that required immediate attention to the possibility that Larry King had somehow offended them.

Danielle Koenig, Andrew's sister, says it's the latter.