Wow, they should just give the Nobel Prize for Journalism to that Guardian correspondent, because that is the most well-researched, convincing, logical and sensibly written article ever.
"Krugel, of the University of Bloemfontein, claims that his technique is able to locate a missing person anywhere in the world using only a single strand of hair."
And we'll just leave it there, no explanation of what that means, how his method works, anything.