Dateline NBC

When Talina Galloway goes missing in Oklahoma during the early days of the COVID-19 pandemic, investigators search for answers about her disappearance. As the case unfolds, it catches the attention of internet sleuths who dub themselves "Talina's Army."

INTERVIEWS WITH: Talina's roommate Kore Bommeli, Talina's friends Kim Littlefield, Greg Thompson and Rachael Parker-Hall, internet sleuth Jess Trevino, Wagoner County sheriff's deputies Lt. Danny Elliott and investigator Joel Weber, Wagoner County district attorney Jack Thorp, defense attorneys Rachel Dallis and Ryan Cannonie, Shari and Mike Zigler and witness Janalyn Philpott-Aulds. 

When Kirby Carpenter, a 36-year-old self-made millionaire, is found murdered outside his Mississippi home, investigators initially suspect a robbery targeting his cash and valuable collectibles. As the investigation unfolds, authorities turn their attention to someone close to Kirby, raising questions about what really led to his murder.

INTERVIEWS WITH: Kirby's girlfriend Caitlin Spence, Kirby's mother Mattie Jane Jones, Kirby's sister Kaysie Barnes, Chief Investigator with the Tippah County Sheriff's Department Chris McCallister, Special Agent with the Mississippi Bureau of Investigation Josh Jarvis, District Attorney Ben Creekmore, Jeffrey Spence's Defense Attorney John McNeil, Kirby's brother Robbie Carpenter, Caitlin's sister Carolyn Aguayo, Caitin's brother-in-law and Carolyn's husband Giovanni Aguayo, Caitlin's dad Jeffrey Spence and Caitlin's attorney Tony Farese. 

Brandon Boudreaux, who survived an attempt on his life connected to the Lori Vallow Daybell cases, speaks out for the first time on network TV. Boudreaux, who was previously married to Lori's niece, Melani Pawlowski, was the target of a murder plot for which Lori was convicted in 2025, after a gunman opened fire on him but missed.

In an extensive conversation with correspondent Keith Morrison, Boudreaux opens up about Lori's involvement in the breakdown of his marriage, and the striking similarities to what Lori's then-husband, Charles, had experienced. Shortly before Charles was murdered, Boudreaux recalls reconnecting with him after discovering that someone had blocked Charles' calls and messages.  Boudreaux alleges Melani was the only one who had access to his phone. 

When a teacher and former beauty queen Tara Grinstead disappears, a small town in Georgia becomes the epicenter of the largest missing person case in the state's history.

INTERVIEWS WITH: Podcaster Payne Lindsey, Tara Grinstead's student and friend Dana Wilder, Tara's friend Wendy McFarland, Tara's best friend Maria Woods Dollar, Defense Attorney Ashleigh Merchant, former friend of a codefendant who called in a critical tip to the GBI John McCullough, former GBI Special Agent in Charge and lead investigator in the Tara Grinstead case Gary Rothwell, and Bo Dukes' former girlfriend Brooke Sheridan.