Dragnet was an American radio series that portrayed the cases of a dedicated Los Angeles police detective, Sergeant Joe Friday, and his partners. The series covered a range of crimes from check fraud and petty theft to more sensational topics like murder and drug abuse. The show aired on NBC and brought a realistic and gritty portrayal of law enforcement to the airwaves. This episode, Mrs. Rinard Albert Barry Mother-In-Law Murder, likely involves a case of murder related to a family conflict.