Missing 6-year-old boy Timmothy Pitzen disappears, family heartbroken when ’teen’ boy poses as their son

When a young man said he was Timmothy Pitzen, who was six when he vanished in 2011, investigators worked furiously to verify his claim. The boy's family, who have been praying for 8 years that Timmothy would be found alive, waiting in agony for DNA test results. Nancy Grace looks at the case that took a cruel turn with missing children's advocate Marc Klaas -- founder of Klass Kids Foundation, forensics expert Joseph Scott Morgan, Atlanta lawyer and former prosecutor Darryl Cohen, Los Angeles psycho analyst Dr. Bethany Marshall, and syndicated radio host David Mack.