The Age | Killer brought undone by chilling step-by-step murder plan jailed for 26 years The Age Gareth Giles arrives at the Supreme Court before being sentenced to jail. Photo: Ken Irwin. A killer who wrote an 18 point step-by-step plan on his computer on how to commit the perfect murder before he tied up and strangled a man near Geelong has been ... Man killed stranger 'just to know what it felt like' Victorian murderer 'followed plan' Australian 'Perfect Murderer' Gareth Giles Jailed after Step-by-Step Plan Found ... |