‘She knew something was wrong’: His mother went missing just before his 6th birthday. Now 27, he’s never given up hope

Dymashal Cullins, an Atlanta real-estate loan officer and mother of five, was last seen in August 2003. There have been few leads in the past two decades and her family thought the police had given up. But her family tells Andrea Cavallier why a new investigator on the case may be the key to solving the mystery