A new Netflix true crime documentary series that premieres on March 31, 2025, centers on a breakthrough in the notorious Long Island Serial Killer cold case. The murderer has terrorized a small seaside town in New York for almost two decades, despite being linked to the deaths of at least eleven women. A breakthrough in the infamous Long Island Serial Killer cold case is the focus of a new Netflix true crime documentary series that premieres on March 31, 2025.(X/@Netflix) Who is the Long Island Serial Killer? The documentary explores the unsettling killings that surfaced when the remains of young women were discovered along a section of Long Island’s Ocean Parkway. The victims who were identified were sex workers from the New York City area; some had been missing for nearly ten years. Although it became evident that a serial killer was specifically targeting this group, the investigation stalled for over 13 years. However, a breakthrough occurred in 2023, when a man suspected of being the “Long Island Serial Killer” was arrested. The killer is …