Journalism's modern practices can be incredibly untrustworthy. Paul Bishop vomited his dentures into a Spanish trash bin 11 years ago. Then a DNA analysis company seemingly returned them to his home in the UK. But how did his DNA end up on a European database? Why was an organisation swabbing items found in a bin? In this intriguing tale, Matt Reynolds gets to the bottom of this story. Here, he reveals how uncovering the mystery, required the help of dentists, DNA experts, stamp collectors and the Queen.