A KNIFE was found around the corner from a crime scene, almost a decade after Adelaide woman Phyllis Harrison was stabbed to death in her home, the trial of a man accused of three cold case murders has been told.

Mildura man Steven Leslie Hainsworth, 49, is on trial in the South Australian Supreme Court charged with the murders of Phyllis Harrison, 71, at Elizabeth South in 1998, Beverley Hanley, 64, at E