Details of the investigation into the Delphi Murders trickle out in court. And what the jurors are shown is disturbing. In the trial of the man accused of killing a tech executive, the defendant's sister undercuts his theory -- and the prosecution's. Khazar Momeni has been on the stand all week. Plus Sarah Boone, charged with killing her boyfriend by zipping him into a suitcase, is testifying. And NBC News's Vicky Nguyen is back with advice for your kids as they roam the streets in costume. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Two long-awaited trials begin. A local Indiana man is accused of stabbing two middle schoolers to death and leaving their bodies next to a creek. He says he’s innocent. And in Silicon Valley, another stabbing death. After a tech executive was stabbed through the heart in 2023, his killer admitted he did it. The question at trial is why? Plus, six new lawsuits are filed against Sean “Diddy” Combs and Keith Morrison drops by to talk about his new podcast, "The Man in the Black Mask."

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

Since a Massachusetts State Trooper's "regrettable" text messages were revealed on the stand in June, a defense attorney is asking what he texted about other investigations, including the disappearance of Ana Walshe. In West Virgina, a scam turns into a poisoning by insulin charge. And for Domestic Violence Awareness Month, some tips on how to help friends in an abusive relationship.

Get resources on domestic violence: https://www.thehotline.org/
Learn more about the One Love Foundation: https://www.joinonelove.org/