The Ontario Courts website has all the facta and other materials from the reference available for viewing. This is
Volume 1 parts 1 & 2 of the Appellant's Factum.
Starting at about page 7 of the pdf, Truscott's counsel set out some of the background facts in a brief format. Of note:
September 30, 1959 - convicted by jury after 15 day trial, sentenced to death
January 21, 1960 - sentenced commuted to life in prison
October 21, 1969 - paroled, assumed the name Rusty Shackleford
October 30, 1970 - married