It is based on the 1968 Barbara Mackle kidnapping by Gary Steven Krist. Colonel McCreary retired in 1951 and was succeeded by Joseph Mackle. Mackle Corporation has since been founded by James Mackle, grandson of Robert F. Mackle Sr. This was just after the GDC board voted to split with the founding Mackle Brothers. Andrew Mackle unexpectedly quit midway through the tour. The 1973 exploitation film "The Candy Snatchers" is loosely based on the Mackle kidnapping. Two plastic pipes provided Mackle with outside air. Mackle played as a goalkeeper for his university football side. Mackle was found and rescued, suffering from dehydration but otherwise unharmed. In June 2016, Mackle signed with WWE to perform on their NXT brand. Damian Mackle (born 20 February 1985) is an Irish professional wrestler. On 4 November, Mackle appeared at an "NXT" live event and cut a promo.