Download Our Free E-Book: Twenty-Five Years of Underworld Experiences and Thrilling, True Fact Crime Stories

ebook_iconThe founder of Doyle Security Systems, John A. Doyle was a well-established detective for the Rochester Police Department before he founded our company in 1919. During his law enforcement days, he conducted investigations all over the United States, Canada and Europe. He was even a special body guard to former New York State Governor Alfred E. Smith during a trip to our nation's capital. John went on to share his stories and experiences on radio broadcasts and via speacial guest lectures at various New York locations. 

Download our E-book, containing contain originally produced in the 1930's, to read testimonials from those who were fortunate enough to listen to John's lectures and radio broadcasts.


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