Special Investigations Unit

The Special Investigations Unit (SIU) is comprised of one Investigator Lieutenant, one Investigator Sergeant, two Investigators and two Deputies. The unit's members are cross-trained in multiple fields of expertise, as well as two deputies being commissioned as United States Deputies Marshals assigned to the Middle Tennessee District of the U.S. Marshals Service. The mission is to provide special support to core responsibilities within the Sheriff's Office.

More specifically, SIU is responsible for a wide arena of duties that range from investigations of domestic and adult sexual assaults, crime scene collection / processing / analyses (law enforcement forensics), internal investigations or inappropriate or criminal conduct of departmental personnel, support to District 7 Homeland Security and the tracking / surveillance / arrest of state and federal fugitives. Special Investigaitons will accomplish these endeavors as indicated through a combination of flexible specialized investigative servies.

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Section Staff

Inv. Sgt. Mark Wojnarek

Program Director

120 Commerce Street, Suite 401
(931) 648-0611 ext. 1225

Investigator Joshua Wall

120 Commerce Street, Suite 401
(931) 648-0611 ext. 5211

Deputy Peggy Macias

Unit Coordinator
120 Commerce Street, Suite 401
(931) 648-0611 ext. 5210

Deputy Shanna Grice

Victim/Witness Coordinator
120 Commerce Street, Suite 401
(931) 648-0611 ext. 5207

Investigator Kenny Austion

120 Commerce Street, Suite 401
(931) 648-0611 ext. 5141

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Montgomery County Government | 1 Millennium Plaza | Clarksville, TN 37040 | Contact Directory

Montgomery County Government complies with the following Civil Rights statutes;
Titles VI, VII, and IX of the Civil Rights Act of 1964, Section 504 of the Rehabilitation Act of 1973,
Americans with Disabilities Act and the Age Discrimination Act of 1975.