Edmonton The father of an 11-year-old boy who died following a dog attack two years ago testified Thursday at the trial of the owner charged in connection with the death. Crystal Jean MacDonald charged with 1 count of criminal negligence causing death Listen to this article Estimated 6 minutes The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Kache Grist is shown in this handout photo provided by his mother Kendrah Wong. (Handout-Kendrah Wong/The Canadian Press) WARNING: This story contains graphic and disturbing details. The father of an 11-year-old boy who died following a dog attack two years ago testified Thursday at the Edmonton Court of King’s Bench for the trial of the owner charged in connection with the death. Crystal Jean MacDonald, 46, owned the twin Cane Corsos involved in the attack and is charged with one count of criminal negligence causing death.…