Keith Mitton, 42, is the Landsdale man who stabbed his girlfriend of six months at a property in the Tasmanian suburb of Exeter on Friday afternoon. Keith Mitton, 42, is the Landsdale man who stabbed his girlfriend of six months at a property in the Tasmanian suburb of Exeter on Friday afternoon. Credit: Unknown / SuppliedThe Perth man who stabbed his girlfriend multiple times in a domestic violence attack minutes before he was involved in a fiery crash that killed an innocent nurse has been identified. Keith Mitton, 42, is the Landsdale man who stabbed his girlfriend of six months at a property in the Tasmanian suburb of Exeter on Friday afternoon. “The family also wishes to acknowledge the devastating loss suffered by the family of Elaine Gee.