<iframe title = "Who Really Killed This Billionaire?" width="700" height="400" src="https://www.youtube.com/embed/vpjbyi6g68U?autoplay=1&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>In December 2017, a Canadian pharmaceuticals executive and his wife were strangled in their home. No one knows who did it or why, but everyone has a ...