The Limbs in the Loch Murderer

In December 1999, as Scotland prepared for the biggest Hogmanay of all time, a gruesome discovery was made by a police diving team on a training exercise in Loch Lomond. One by one, limbs from a cadaver were found and brought to the surface. Days later, a severed head was washed up on a beach in western Scotland and forensically matched with the limbs. Police soon had a prime suspect for the murder—William Beggs. But how had they been able to ascertain that it was Beggs right from the start...