This book is rated one of the best law enforcement books ever by Goodreads.com
 
Nicholas Ruggiero was a law enforcement officer for nearly 20 years and a suicide survivor. Nicholas is the host of the international podcast The Roll Call Room which addresses mental health issues within the law enforcement profession. Nicholas is an advocate for law enforcement agencies to stop the stigma of seeking mental health help and reduce law enforcement suicides.
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Police Mental Barricade "A survivors guide to poor law enforcement leadership" is a look into what contributes to law enforcement suicides and how as a profession we can fix it.