This is the most direct match for an episode specifically titled "Suspicion" (as part of the series Storm of Suspicion ) at S3E12.
: In this high-tension episode, Serena Joy's betrayal of Fred Waterford is a major turning point. A key "suspicious" moment involves June letting a character die to protect her long-term plan. [S3E12] Suspicion
Cold Water Killer - Storm of Suspicion (Season 3, Episode 12) This is the most direct match for an
While sometimes confused with the episode "The Monsters Are Due on Maple Street" (which is the series' ultimate take on suspicion), S3E12 of the original series is titled [S3E12] Suspicion
If you are looking for major "suspicion-themed" episodes from other popular shows: