Meet Mark Donaldson VC Simon Gittany's Secret Life: Part 2 Meet Mark Donaldson VC At 15, Mark Donaldson’s father - a Vietnam veteran who’d returned from war with PTSD - passed away. Four years later his mother was murdered. The case has never been solved. Simon Gittany's Secret Life: Part 2 On Tuesday 11 February at 11:06am, convicted killer Simon Gittany was sentenced for murdering his 30-year-old fiancee Lisa Harnum. His new girlfriend, Rachelle Louise, was not at the sentencing hearing.