13 seconds sound clip from the Bullets or Ballots (1939) classic radio play.
You can hear this line at 00:39:12 in the radio play.
Quote context
[...]
- To me, one of the outstanding values of our laboratory is not its power to convict the guilty, but to free the innocent.
- Hundreds of times evidence that might have otherwise convicted a perfectly innocent man, when examined in our laboratory, has freed him of every suspicion.
- I know that you are perhaps the nation's greatest expert in solving crime with the evidence of human hair. While you you might have some difficulties with me...
- What can you learn from those whose tresses are a bit more abundant?
- You'll do fine as long as you have a single hair left on your head.
- From that single hair we can usually learn a man's approximate age, his environment, the places he visited recently, his type of employment, his personal habits and frequently, his race.
- We can also learn a dozen things from a a cigarette. Anybody who smokes a cigarette reveals secrets through the saliva that remain on the end. Even though many months have elapsed since it was smoked.
- Saliva tells us to what blood group the man who smoked the cigarette belongs.
- There are 20 blood groups with which we deal and often we can eliminate 19 out of 20 suspects by a blood grouping test.
- I can see it's getting harder and harder to commit murder.
- Not to commit it, but to get away with it.
- But while we solve crimes, the public can do far more than we can do in preventing them.
[...]
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