Investigation and Arrest of Nikki's Boyfriend

The chapter details the investigation into the disappearance and murder of Nikki Vanderheiden, focusing on the intense scrutiny of her boyfriend Doug. Detectives find incriminating evidence at Doug's house, uncover past abuse allegations, and delve into his troubling behavior with ex-girlfriends, leading to his arrest. However, forensic tests ultimately cast doubt on Doug's guilt, shifting the investigation towards finding the true killer linked to male DNA found on Nikki's body.