Spellcaster testifies at murder trial. Legal fireworks in UNC student murder. Plus, cars and crime.

In San Diego, a spellcaster testifies about the types of spells accused killer Larry Millete bought in the weeks before his wife Maya's murder. In North Carolina, a defense filing in the murder case of UNC student Faith Hedgepeth raises questions about her roommate. In Dateline Round Up, emotional sentencing hearings for convicted Gilgo Beach serial killer Rex Heuermann and Utah mother Tracey Grist, who is convicted of masterminding her son-in-law's murder. Plus, a veteran crime scene investigator explains how tire treads and trash left behind in a car can help catch a killer. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com