Calgary A mistrial was declared Wednesday evening in a Calgary murder trial involving a man who admitted to killing his mother with a rock while high on LSD. Jurors deliberated more than two full days but could not reach unanimous verdict Listen to this article Estimated 4 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. A mistrial has been declared in the case of a Calgary man who admitted to killing his mother. (David Mercer/CBC) A mistrial was declared Wednesday evening in a Calgary murder trial involving a man who admitted to killing his mother with a rock while high on LSD.…