And when he recognized Myra's purse in Hellman's home, he decided to let Gladys kill him and the blame be placed on Myra.
11 seconds sound clip from the The Doctor Prescribed Death (Suspense) classic radio play.
You can hear this line at 00:23:45 in the radio play.
Quote context
[...]
- Oh... will you come along too, Professor?
- And so it all worked out beautifully. Not quite as does the professor had planned...
- 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.
[...]