Theatre 5: The Wrong Arm of Justice (ABC feed with timing announcements) ( 

Theatre 5: 09/29/64, episode 042
Brought to you by the Old Time Radio Researchers, courtesy of The Theatre 5 Project
Genre: Crime melodrama
Author: Leonard Stadd
Production number 35; produced on Wednesday, August 19, 1964
Director: Ted Bell; Producer: not announced
Plotline: Eager to impress his powerful father-in-law, an ambitious DA agrees to take part in an extrajudicial trial. The courtroom? A vacant farmhouse. The defendant? A shrewd gangster who’s managed to escape justice time and again. But who is the real criminal here?
Cast: John Seymour, George Petrie, George Baxter, Connie Lembcke, Mark O'Daniels, Marty Meyers
The surviving recording is from ABC feed with Fred Foy announcing the timing of breaks.