Update: Medical examiner rules homicide

In Georgia, a breakthrough in a 19-year-old amusement park murder. In Philadelphia, the murder of aspiring pageant queen Kada Scott leads to questions for police and prosecutors. Plus, a police precinct in Canada using documentaries to solve cold cases -- including a baby's mysterious death.

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

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