In this episode of Dateline NBC, titled "The Killer Among Them," the murder of millionaire entrepreneur Lance Herndon unveils a complex investigation filled with hidden relationships and numerous suspects. Found bludgeoned in his Atlanta home, investigators reveal he led a secret life intertwined with debt and romantic entanglements. Key suspects include his ex-wife Janine, who stood to benefit financially from his death, and girlfriend Dionne, whose conflicting alibis complicate the case. As detectives sift through evidence and interrogate various women connected to Lance, the search for the motive and truth leads to gripping courtroom drama, illustrating the intricate web of deceit and tragedy surrounding Herndon's demise.