Hammett's "Two Sharp Knives" (1949).

 

In the 1949 Studio One production of Dashiell Hammett's "Two Sharp Knives" (1934), a police chief has his doubts about the case of a man accused of murder. The episode features Abe Vigoda along with a cameo by Hammett and is directed by Franklin J. Schaffner (Papillon, Patton, Planet of the Apes). Note that there is also a 1942 radio version of "Two Sharp Knives" from Suspense.