A mother's mind before killings. Audio recording of missing mom. Plus, rap lyrics as evidence.

In Massachusetts, young mom Lindsay Clancy is on trial for allegedly murdering her three children. Her psychiatrist testifies about her mental state before killings. In California, Tyler McCain is accused of killing his wife, Nikki, who went missing in 2024 after filing a domestic violence report against him. In Dateline Round Up, former OnlyFans model Courtney Clenney pleads guilty to stabbing boyfriend. Update in the case of Luigi Mangione, alleged killer of UnitedHealthcare CEO Brian Thompson. Plus, prosecutors using rap lyrics and memoirs as evidence in court. This episode discusses suicide. If you or someone you know is in crisis, call the Suicide & Crisis Lifeline at 988 or visit 988lifeline.org for more resources. And if you need resources on domestic violence call the National Domestic Violence Hotline at 800-799-7233. Or visit thehotline.org Listen to season 5 of the Dateline: Missing in America podcast: https://swap.fm/l/miafdlw Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com.