Mark Back has been with the Lake County Sheriff’s Department since 2015. He has been a resident of Lake County his entire life. He grew up in Crown Point and graduated from Andrean High School in Merrillville, Purdue University in West Lafayette (Bachelor of Science), and Indiana University Fairbanks School of Public Health in Indianapolis (Masters of Public Health).

As Director of Public Relations, Mark Back is the spokesperson for the Sheriff’s Department and primary point of contact with news agencies and the public. Mark also coordinates elements of the Sheriff’s Department’s Health Care Services including the implementation of health-related legislation and special programs that involve health care. Mark also oversees the Department’s Internship Program as well as other programs and initiatives as directed by the Sheriff. He works with all divisions of the Sheriff’s Department to uphold public relations and maintain positive relationships between law enforcement and the communities we serve.

Mark can be reached at (219) 648-6062 or by email at


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