This would make for some pretty awesome car chases.
The Air Police Patrol
By HUGO GERNSBACK
THE automobile, as a quick get-away instrument in crime, has assumed vast proportions during the past decade. Notorious gangsters and their henchmen are always using high-powered automobiles and, unfortunately, they are often able to outwit local police and state troopers after the crime has been engineered. Read the rest of this entry »
Ah yes, “vari-scenting of mucilage”. Oldest trick in the book.
Tricks that Trap Mail Thieves
Postal inspectors “never lose their man,” because they use tricks like the vari-scenting of mucilage to trail certain thieves and keep everlastingly on the trail with a variety of methods of detection.
By C. MORAN
A SERIES of thefts of the contents of registered mail was reported to the Chief of Post Office Inspectors at Washington. An inspector assigned to the case limited the area of pilferage to half a dozen post offices. He arranged secretly to have the mucilage at the different stations given faint traces of various scents—lilac, violet, lily of the valley, mignonette, rose, and heliotrope. The next time a theft was reported the inspector smelled of the resealed flap and the thief was speedily apprehended.
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