Nearly six months into his tenure, New York City Mayor Zohran Mamdani has retreated from several key campaign promises aimed at reforming the police department, as tensions between his administration and Police Commissioner Jessica Tisch have surfaced publicly. Despite Mamdani’s initial commitments to overhaul policing practices, progress on those fronts remains limited, and disagreements have strained relations both within City Hall and with the mayor’s progressive base.

Last week, Tisch disclosed to the City Council that the NYPD’s headcount has increased by 580 officers, a move that contradicts Mamdani’s earlier promises to maintain or reduce police staffing. This expansion includes 200 officers assigned to a newly established patrol borough in the Bronx and reflects heightened training requirements at the police academy, factors the mayor cited in justifying the rise.

The increase sparked a rare public condemnation from the New York City Democratic Socialists of America (DSA), which had been a key supporter of Mamdani’s campaign. The organization criticized the decision as incompatible with the socialist and working-class values that underpinned their support. Some members of Mamdani’s progressive coalition continue to call for Tisch’s removal, viewing her role as emblematic of the administration’s retreat from promised reforms.

Mamdani has also distanced himself from other significant pledges, including his earlier vow to eliminate the NYPD’s controversial gang database and to grant the Civilian Complaint Review Board final authority over disciplinary decisions. The latter stance was notably reversed after he announced Tisch would remain in her post, despite Tisch’s appointment by former Mayor Eric Adams, whose policies Mamdani has sought to markedly depart from.

Observers note the political incongruity in maintaining Tisch, a moderate figure, as police commissioner under a mayor elected on a democratic socialist platform. Yet, crime statistics have shown a general downward trend since Tisch took command, a factor that may have tempered broader public criticism. Mamdani himself has taken a more cautious approach toward the NYPD, delegating much of the day-to-day management to Tisch while focusing his administration’s efforts on other policy areas such as expanding free childcare, promoting city-owned grocery stores, and advocating for tax increases on wealthy residents.

Still, the mayor faces ongoing pressure from activists who remain dissatisfied with the perceived erosion of reform efforts. Robert Gangi, founder of the Police Reform Organizing Project, criticized the administration’s growing police presence and current arrest practices, especially regarding their impact on communities of color. “She’s calling all the plays,” Gangi said referring to Tisch’s control over policing strategies.

Political analysts suggest Mamdani’s adjustments reflect the complexity of reforming one of the nation’s largest and most entrenched law enforcement institutions. Christina Greer, a political science professor at Fordham University, observed that delays and tactical recalibrations are to be expected, even if they risk disappointing constituents eager for swift change.

For now, Mamdani maintains a delicate balance between managing the realities of policing and aligning with his campaign’s progressive promises. A city councilmember familiar with the administration described the mayor and commissioner’s relationship as “strained,” noting their public appearances reflect an underlying tension without open conflict.

As the mayor navigates these challenges, his critics within the left wing of his base are intensifying calls for more substantial action, while supporters on the moderate side remain cautiously optimistic that the city’s recent crime reductions justify his current course.