The Dragnet episode "Homicide (DR-22)" aired on January 9, 1969, as the 14th episode of the 11th season of the series. It is a murder mystery in which an elderly man named Mr. Johnson solves the murder of a young woman who lived in the apartment building he manages.The episode begins with Johnson finding the woman's body in her apartment. He immediately calls the police, and Detectives Joe Friday and Frank Smith are assigned to the case. They interview Johnson and other residents of the building, but they are unable to find any leads.Johnson then takes matters into his own hands and begins to investigate the murder on his own. He follows up on some leads that the police have overlooked, and he eventually discovers the identity of the killer. He confronts the killer and forces him to confess to the crime.The episode ends with Johnson being praised by the police for his help in solving the case. He is also given a reward for his efforts.The episode was written by Robert C. Dennis and directed by Jack Webb. It was well-received by critics and viewers, and it is considered to be one of the best episodes of Dragnet.Here are some additional details about the episode:

• The young woman who is murdered is named Susan Carson. She is a 22-year-old college student who is working as a waitress to pay her tuition.
• The killer is a man named John Doe. He is a 30-year-old construction worker who is having financial problems. He kills Susan Carson in a fit of rage after she rejects his advances.
• The episode features a cameo appearance by Jack Webb's son, James Webb, who plays a police officer.

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