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Joan DM

Joan was a villainess from Diagnosis Murder, appearing in Part 1 of "Deadly Mirage," the series' two-hour penultimate episode.

She was played by Amanda Anka.

Biography

Joan was a former security guard at Community General, and before the episode's events, she colluded with Frederick Wilson to murder his former cohort, Lou Tyler. Tyler had conspired with Frederick to murder his sister, Lily Wilson, but cut a deal in exchange for her testimony. Joan entered the courthouse in a red-haired wig and posed as a woman on a wheelchair, only to go into the restroom and load her silencer.

Later on, the evil Joan resurfaced and shot Tyler to death. As onlookers surrounded the scene, Joan made her escape, ditching her wig and making a clean getaway. Joan was last shown meeting Frederick, who handed her heroin and showed his appreciation for her deed. She was later found dead of an overdose.