Mr. District Attorney
Here is a sample of the online episodes currently available at The Old Time Radio Fan:
Theives Fall Out
(5.4 MB) [23:36]
The Museum Mystery
1941-12-10 (6.28 MB) [27:28]
Labor Pirates
1942-08-19 (6.8 MB) [29:43]
Setup for Reentry
1944-10-04 (6.88 MB) [30:04]