Invention Worth Killing For: Boston Blackie (January 14, 1948)

“Invention Worth Killing For” is an episode of Boston Blackie, the old-time radio show, first broadcast January 14, 1948. Listen free on Stupid Potato.

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What happens

Boston Blackie investigates the murder of Roger Harrison, an inventor who registered at a hotel under tight security and refused to give out his room number. A rubber plant delivered to Harrison's room becomes the key to solving how the killer discovered the victim's location, leading Blackie to a flower shop where a mysterious blonde woman purchased the plant.

A hotel and a flower shop in the city

Characters: Boston Blackie, Mary, Roger Harrison, Inspector Farley, Bill, Sarah

Listen for: The clever murder method using a flower delivery to track down the victim's hotel room, and the revelation that a blonde woman bought the murder weapon's delivery vehicle

Written from the episode itself; it never gives away the ending. Every recording is remastered for the stream: cleaned of rumble, hiss and mains hum (and the old TV whine where we found it), then levelled in two passes to steady broadcast loudness, so one show is never quieter than the next.