a south dakota pathologist, dr. brad randall. >> and dr. randall gave an opinion of the injuries suggestive of a struggle, and ruled it a homicide. >> homicide. and there was only one suspect. in april of 2013, 15 months after emily died, alex fazzino was arrested and charged with his wife's murder. >> they said you're under arrest. and i was in complete shock. when you're innocent, you don't think it can happen. you think, they're going to come to their senses. they're going to see it. but no. >> he spent three weeks in jail before being released on bond. >> the truth will come out. >> alex's sister marguerite says her brother was charged with murder because of small town politics. what was it that you think kept the state sort of moving forward with the idea of prosecuting? >> well, i think it was the beckwiths. i think the power that they have in that community, and i believe that they were putting political pressure on the state to prosecute this. >> the suggestion that there was some sort of political pressure that was put on my office