Mark of a Killer (2019)

S1E5 Momentos of Murder

After the Hillside Stranglers are apprehended, law enforcement discovers that another serial killer is still on the loose in Los Angeles. This new predator delights in tormenting his victims, who are often models, before capturing their final moments on camera. As a chilling memento, he keeps fragments of their jewelry, further deepening the terror he inflicts.