
The Chicago Police Department is ringing in changes at the top, with Superintendent David O. Brown unveiling a series of key leadership promotions aimed at bolstering the city's law enforcement effectiveness. Drawing from a deep reserve of experience within the department, these appointments are positioned to reform departmental operations and fortify the city against criminal enterprises.
As reported by the Chicago Police Department's news disclosure, Deputy Chief Thomas Mills ascends to oversee the Criminal Networks Group after a three-decade tenure that saw him recently helm the Narcotics and Vice Division, with Mills's experience extending through various wings of the department including the Bureau of Internal Affairs, the Gang Investigation Division, and collaborative task forces alongside the DEA and U.S. Customs and Border Protection his expertise is expected to significantly impact the department's approach to organized crime.
Alongside Mills, promotion announcements include Commander Elizabeth Collazo taking charge of the 14th (Shakespeare) District, building upon her 21 years with the department, Collazo has evolved through roles that span from watch operations lieutenant in multiple districts to a sergeant in the Area North Saturation team, her academic credentials rooted in a bachelor's from Northeastern Illinois University and her leadership is now set to shape the Shakespeare District's future.
Superintendent Brown expressed strong confidence in the elevated command staff, stating, "In their new roles, these leaders bring decades of institutional knowledge that will make Chicago a safer place for our residents and communities," underlining the commitment to enhancing safety and professional conduct across the city's neighborhoods.









