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Our citizens are at risk all too often for workplace violence involving guns and other weapons—at work, in schools, in shopping centers, and in their own homes. The author is a trained educator and speaker on issues of workplace violence and active shooters (Do your employees know what to do if someone with a gun enters your workplace?). 


He is also versed on the topics of animal cruelty and dog fighting. He is available to discuss his years of police work and specifically narcotics, gangs, and drugs.


For more information about Busting Bad Guys, or Mark Langan, please contact


To speak with someone about bulk orders of Busting Bad Guys or to book an interview, speaking event, or book signing, please call (402) 884-5995 or e-mail

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