Terri Lyn Carson, Louise Chartrand (Files/The Canadian Press)

Larger image

July 27: Olson kills 15-year-old Terri Lyn Carson, pictured left, strangling her and abandoning her body in a wooded area along the Fraser River.

July 30: Olson picks up 17-year-old Louise Chartrand, right, drives her to an area near the Whistler, B.C., ski resort, kills her and buries her body in a shallow grave.

Aug. 12: Olson is arrested for attempting to pick up two hitchhikers.

Aug. 18: He is charged with the murder of Judy Kozma.

Jan. 11, 1982: Olson's trial begins, but ends within three days when he reverses his initial plea of not guilty and instead pleads guilty to 11 counts of first-degree murder. He is sentenced to 11 concurrent life sentences, with no parole eligibility for 25 years.

Jan. 14: Media reports surface exposing the "cash-for-bodies" deal, under which Olson's wife received $100,000 in exchange for his help in locating the bodies.