Headteacher at Aberdare Community School, Carol Morgans, said Mr Williams was a 'very successful coach' who was responsible for the development of rugby at the school, which has over 1,300 pupils aged between 11 and 18.
Those charges stem from a search of his home in Peru, Indiana on February 25th, 2017 - just 11 days after the bodies of Libby and Abby were found in Delphi.