Rick and Mary Todd, parents of U.S. engineer Shane Todd, speak to Reuters during an interview in Singapore May 8, 2013. The parents of Shane Todd, an American engineer found dead in Singapore last year, intend to prove at a coroner's inquiry that he was murdered over a project they say involved the illegal transfer of sensitive technology to China. To match Interview SINGAPORE-USA/ENGINEER REUTERS/Edgar Su (SINGAPORE - Tags: CRIME LAW)