Night Hunter (2018)

An insomniac police detective and a talented profiler track down a serial killer who's been kidnapping women. But once the killer is in custody, he reveals that he has multiple personalities that clash chaotically. As they struggle to interrogate him and make sense of his answers, one thing becomes clear: there's an even more sinister plot behind the kidnappings, masterminded by a criminal who might threaten their own lives and families.