Mark Twitchell - The Dexter Killer
b'
In 2008, 38-year-old John Altinger emailed his friends that he was taking off to Costa Rica for a couple of months with a woman he just met. His friends were shocked by this turn of events. One refused to believe it and tried to find out what happened to John. Listen to the story of how good friends stopped Mark Twitchel. A budding serial killer who fancied himself after the television character Dexter.
'