Screenshot 2025-09-27 at 8.39.48 AM

Manhattan Police Department Promotes Garrison to Commander, Diaz to Sergeant

Spread the love

Article Summary: The Manhattan Police Department solidified its command structure with the promotions of William Garrison to the rank of Commander and Bryan Diaz to Sergeant, who were both officially sworn in at the village board meeting.

Manhattan Police Promotions Key Points:

  • Commander William Garrison is a 20-year law enforcement veteran and a graduate of Northwestern’s prestigious School of Police Staff and Command.

  • Sergeant Bryan Diaz brings over nine years of law enforcement experience to his new leadership role.

  • Both officers were sworn in by Mayor Mike Adrieansen in a ceremony attended by their families and fellow officers.

MANHATTAN – The Manhattan Police Department celebrated the promotion of two of its officers Tuesday night, filling key leadership roles within the department. William Garrison was sworn in as Commander and Bryan Diaz was sworn in as Sergeant before the Village Board and a room full of family and colleagues.

Mayor Mike Adrieansen administered the oath of office to both men, highlighting their extensive experience. Garrison, a 20-year veteran, is a graduate of the Northwestern Center for Public Safety’s School of Police Staff and Command. Diaz has over nine years of law enforcement experience, with expertise in truck enforcement and field training.

“I’m humbled and appreciative of the chief and the police department supporting me in this role, and I look forward to doing some good things,” Commander Garrison said after being sworn in.

Sergeant Diaz also thanked the village and his department. “It’s been a great move coming to Manhattan,” he said. “From the citizens, the trustees and the police department, everyone’s had my back and welcomed me. So, I appreciate everything you guys have done for me.”

The promotions reaffirm the village’s commitment to public safety by completing the command structure within the police department.

Leave a Comment





Latest News Stories

Frankfort-Township-Logo-Graphic

Outdoor Bar Expansion Gets Green Light from Frankfort Township

The Frankfort Township Board has approved a special use permit that will allow a bar in an unincorporated area to expand its service outdoors. The unanimous decision was made during...
Frankfort-Township-Logo-Graphic

Meeting Briefs: Frankfort Township Board for April 14, 2025

The Frankfort Township Board of Trustees met on Monday, April 14, 2025, to address zoning matters and new business. The board took a firm stance against government consolidation, unanimously passing...
Manhattan Township

Manhattan Township Recommends Denial of Bruns Road Rodeo Permit Amid Neighbor Objections

The Manhattan Township Board unanimously recommended that Will County deny a permit for a large-scale commercial rodeo on Bruns Road, following a contentious public hearing where neighbors cited a history...
Manhattan Township

Road Contract Awarded as Township Races Against Bridge Funding Deadline

The Manhattan Township Highway Department has awarded a $91,000 contract for its annual road resurfacing program, while simultaneously facing a critical deadline that puts $500,000 in county funding for a...
Manhattan Township

Manhattan Township Halts Electric Aggregation Program, Citing Poor Pricing

Residents in unincorporated Manhattan Township will no longer be enrolled in a group electricity purchasing plan after the Township Board voted unanimously not to renew its electric aggregation contract. The...
Manhattan Township

Meeting Briefs: Manhattan Township for April 8, 2025

Assessor’s Office to Replace Server, Receives New Tax Multiplier: Assessor Joe Oldani reported that the township’s server is not compliant with current security methods and must be replaced by the end...
MFPD-Logo-Fire District

Fire District Receives Clean Audit, Adds 9 New Firefighters Despite Staff Departures

The Manhattan Fire Protection District received a clean audit report for fiscal year 2023 while addressing staffing challenges with nine new part-time firefighters set to join the department at the...
MFPD-Logo-Fire District

Construction Manager Decision Delayed for New Fire Station Project

The Manhattan Fire Protection District has postponed a decision on hiring a construction management company for its new fire station project while fee structures are finalized. Board members met with...
MFPD-Logo-Fire District

Manhattan Fire District March 17 Meeting Briefs

Vehicle Updates Progressing: The new Tahoe ordered last year has arrived but will require several months before entering service. The ambulance damaged in December's crash is currently at the body...
Manhattan Township

Manhattan Township to Fight State Consolidation Bills, Citing Threat to Local Services

The Manhattan Township Board is mounting a formal opposition to a series of state bills that officials believe threaten the existence of township governments across Illinois. During their monthly meeting...
Manhattan Township

Massive Battery Storage Facility Proposed in Manhattan Township, Could Be “Largest in Illinois”

A proposal for a 15-acre battery storage facility that could be the "largest substation in Illinois" is under consideration in Manhattan Township, a project that could reshape a portion of...
Manhattan Township

Proposed Bruns Road Rodeo Sparks Concerns Over Safety, Zoning, and Past Violations

A proposal to host a large, multi-weekend rodeo on Bruns Road has raised numerous red flags for the Manhattan Township Board, which cited concerns ranging from public safety and zoning...
Manhattan Township

Soltage Solar Farm Clears County Committee; Township Eyes Aesthetic Improvements

The proposed Soltage Solar Farm has passed a key hurdle, gaining approval from the Will County Land Use Committee in a 5-1 vote, Manhattan Township Supervisor James 'Jim' Walsh reported...
Meeting Briefs

Meeting Briefs: Manhattan Township for March 11, 2025

Dial-A-Ride Service to be Absorbed by County: The Southwest Dial-A-Ride service is being absorbed by the larger Will County Dial-A-Ride service, which is offered through PACE. Township officials expressed hope that...
Blue flasher light of siren of police car

Manhattan Police Reports

Disclaimer: Charges against each defendant are merely an accusation, with all defendants presumed innocent unless proven guilty in a court of law. On March 5, officers stopped Leal Acosta, Julio C (25)...