When a bomb arrives at the Waxman home addressed from California, it kills union organizer Tom Waxman and hospitalizes his wife and mother. Police arrest Tom's brother Phil, who had been investigating a corrupt organization called the Labor's Assistance League in California. Private detective Richard Diamond, a family friend, must uncover who really sent the package and why, while Phil refuses to cooperate with authorities.

With Richard Diamond, private detective, Lieutenant Walt Levinson, Phil Waxman, Tom Waxman, Mama Waxman, Marge, Tom's wife, Ralph Pryor, John Wagner, a lawyer.

Listen for: The mystery deepens as Diamond discovers connections between Tom's anti-league speeches, Phil's undercover work in California, and a package that may not have come from where it appeared to originate. Watch for the revelation of who planted the bomb and why, and the dramatic confrontation in an alley.

First aired on June 26, 1949 on NBC, ABC, CBS.

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