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Shaker is the seventeenth episode of the first season of Diagnosis Murder.
Guest Stars: Mary-Margaret Humes (Ruth Garfield), Jill Schoelen (Becky Garfield), Allan Miller (Martin Garfield), Robert Costanzo (Bobby Rebetta), Michael Easton (Rick Bennett), Harvey Jason (Stuart Westlake)
and Liz Vassey (Ilene Bennett)
An old friend of Mark's is found dead under a bookcase after an earthquake, but the good doctor suspects murder.