At age 14, Andrew Gosden didn't look a day over 12 in 2007. He was a shy, introverted, but highly intelligent and caring young man.

Despite his perfect attendance record at school, Andrew left his home on September 14, 2007, withdrew most of the money in his bank account, and boarded a train from his home in Doncaster to London. A few images captured Andrew emerging from King's Cross station in London later that morning, but what became of Andrew after that has remained a mystery for 14 years. 

Why did Andrew Gosden travel to London on that fateful day? Was it part of a calculated plan to start over in life, leaving his loved ones behind? Or did he, in an act of rebellion, decide to play hooky from school last-minute only to meet a sinister fate?

I'm joined by returning guest Elaine Erickson to discuss one of the United Kingdom's most perplexing missing persons cases.

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For more information on the search for Andrew Gosden: http://helpustofindandrew.weebly.com/