Tracker Season 3 Episode 6 was titled Angel and aired on CBS on November 23. The case saw Colter searching for a crime scene cleaner, who went missing while investigating the Hardens' murder case.The Hardens were an elderly couple, Mort and Nancy. Since Nancy was disabled, she was practically dependent on her husband, Mort. When Mort died after falling from the stairs of his house, Nancy also died three days after, due to starvation. The neighbours found their bodies a week later and Biozine company's crime scene cleaners, Margot and Ruth, were called in to clean the crime scene.However, Margot believed that the Hardens' deaths were not accidental and that someone had murdered them.Here is the complete Tracker Season 3 Episode 6 recap.Tracker Season 3 Episode 6 recap: Margot goes missing View this post on Instagram Instagram PostTracker Season 3 Episode 6 begins with Randy briefing Colter about a case. The Biozine company cleaner, Margot, from the cold open, has gone missing and her boss, Ruth, is offering $10,000 reward to Colter to find her. Colter goes to meet Ruth and learns that Margot was obsessed with true crime. She was even part of an Online chat group called Toybox killer and had also met a guy there. She was convinced that the Hardens had been murdered and was getting a lot of messages while leaving the house. While Randy did not find anything useful on Margot's personal phone, her car led Colter to her work-issued phone, which was filled with messages from the chat group, including one asking her to meet at their usual spot.Randy hacks the number's location and informs Colter that it is 20 miles away from where Margot's car was found abandoned. The location leads Colter to another murder scene, crowded by onlookers and cops. When Colter pings the phone, it rings in a nearby car but the driver takes off. However, our tracker managed to get a picture of its number plate in time.Tracker Season 3 Episode 6 recap: A true crime-obsessed trio View this post on Instagram Instagram PostThe car's number plate leads Colter to an abandoned building in Tracker Season 3 Episode 6. Inside, Colter hears loud 9-1-1 recordings coming from a room and also meets a man named Gunther. After Colter accuses Gunther of Margot's disappearance, he tells him that he is a freelance crime scene photographer and is searching for Margot too. Soon, another man named Eddie joins them, who collects and sells crime scene memorabilia. Turns out, Margot was in an online group chat with Gunther and Eddie, where they would investigate cases that interested them. However, when Margot did not show up for their regular meeting, they got concerned.When Eddie tells Colter that Margot was suspicious about the Hardens' deaths, the three head to the Harden house to investigate. While it is believed that Nancy died three days after her husband and the neighbors found her body a week later, Eddie believes that she died eight and a half days ago.Colter's case in Tracker Season 3 Episode 6 takes a shocking turn when they discover a secret room in Harden's house, filled with food containers. Colter believes that somebody had pushed Mort down the stairs and saw Nancy starve to death. Eddie notices a drawing of Angel wings on the room's door and connects it to a crime database they were searching. The same angel wings have appeared on the Raffertys and Appelbaums' murder cases, who were both a duo of patients and their caregivers found dead. Colter realizes that the killer is going after caretakers and their patients and each family had one thing in common: Vorhees Physical Therapy Center.Tracker Season 3 Episode 6 recap: Colter meets the Angel of MercyColter's trip to the Vorhees Physical Therapy Center in Tracker Season 3 Episode 6 leads him to one of their employees, Francis, who originally drew the Angel wings. As Colter heads to Francis' location, Randy briefs him about his childhood. Turns out Francis had a disabled brother and his mother lived her life taking care of him. He believes that a caretaker and patient's relationship is harmful because the person is essentially wasting their life. Colter realises how Francis sees himself as the Angel of Mercy for these patients and their caretakers. Randy and Mel connect Francis to many such deaths in the region in the past 25 years.Colter realises that Francis is taking Margot to Eddie and Gunther's house because the trio were coming close to solving the murders. Colter reaches the location and finds Margot tied up in the car. He has her call 9-1-1 while he heads to save Gunther and Eddie. While Francis was about to kill Eddie, Colter stops him and stabs him in the chest.Ruth offers the promised money to Colter and Margor is reunited with her true-crime obsessed buddies.You can stream Tracker Season 3 Episode 6 on Paramount+.For the latest scoops on your favorite TV shows and movies, follow SoapCentral.