Benedict Cummerbatch plays a character with this occupation in a BBC show.
One character with this occupation hires Natalie Teeger after Sharona Fleming leaves as his personal nurse. That character is played by Tony Shalhoub and is the star of a USA Network show, while another man with this occupation frequently says "just one more thing." The former character with this occupation is the (*) OCD-afflicted Monk, while the latter is Columbo. Kate Beckett holds this occupation, leading the mystery author Richard Castle to work with her. Benedict Cummerbatch plays a character with this occupation in a BBC show. For 10 points, name this occupation of a character who appears in Elementary and Sherlock.
One character with this occupation hires Natalie Teeger after Sharona Fleming leaves as his personal nurse.
 detective (accept private eye, private investigator, or other reasonable equivalents; prompt on "policeman")