One of the earliest shows Richard Levinson and William Link worked on as a pair. The duo would go on collaborating, and amongst their biggest (and best known) collaborations was giving birth to the rumpled police officer from Los Angeles; Columbo (1971).
When Warren Barrow and Janet West discuss the plot to murder her husband, their alibi hinges on scattering clothing on the beach to imply his suicide by drowning in the ocean. The suicide of Mason's A Star Is Born (1954) character, Norman Maine, is explained this way in the movie years earlier.