becky holt was the prosecutor who opened for the state. >> his plan was to murder his wife.with no murder weapon found, the prosecution's case was built on that partial shoe print. they know now that jason once owned a pair of hushpuppies like these that matched the print they were now missing. they also told jurors about the early morning visit to the gas station and suspicious activity at the hotel. but the thrust of their case was this. jason young was trying in the most violent possible way to get out of a troubled marriage. >> were you aware of tensions in that marriage? >> yeah. i was well aware. >> meredith fisher, michelle's sister, lived near the couple. and for a period was cassidy's nanny. as the young's fights intensi intensified, she took on the role of a marriage counselor, too. >> what would you say were the main issues? >> michelle's main issues were jason being more responsible. understanding her more. and his main concern was their lack of sex life. >> prosecutors called friends to the stand to paint a picture of a marriage that was unraveling. out loud and

prosecutor becky holt opened for the state. >> defendant had a plan.rder his wife, his plan was to get away with it. >> reporter: with no murder weapon found, the prosecution's case was built on that partial shoe print. they knew now that jason once owned a pair of hushpuppies like these that matched the print. they were now missing. they also told jurors about the early morning visit to the gas station. and suspicious activity at the hotel. but the thrust of their case was this. jason young was trying in the most violent possible way to get out of a troubled marriage. >> were you aware of tensions in that marriage? >> yeah. i was well aware. >> reporter: meredith fisher, michelle's sister lived near the couple. and for a period was cassidy's nanny. as the young's fights intensified she took on the role of marriage counselor too. >> what would you say were the main issues? >> michelle's main issues were, jason being more responsible, understanding her more, and his main concern was their lack of sex life. >> prosecutors called friends to the stand to p