The professor is just about to be dismissed when sergeant Rankin steps into the room and speaks quietly to lieutenant Davis.
9 seconds sound clip from the The Doctor Prescribed Death (Suspense) classic radio play.
You can hear this line at 00:24:01 in the radio play.
Quote context
[...]
- And he realized that the girl's fiancé was Hellman and the blonde was Myra, his wife...
- He had no intention of allowing Gladys Tanner to kill Hellman until he saw that snapshot...
- The perfect crime... but several hours later, after fingerprints and many questions...
- I stated the seals place as you said.
- Well?
- Well! This fits perfectly with the writing we were trying to make out on Hellman's desk letter.
- Dear professor Bacile, your theory worked a certain degree.
[...]