A federal judge has given former President Donald Trump a 48-hour deadline to justify his controversial plan to deploy federal troops to Chicago or face an immediate injunction. The order, issued late Monday night by U.S. District Judge April Perry — a Biden appointee — marks the latest escalation in a fierce constitutional battle between state and federal authority.

The dispute began when Trump announced that he would send hundreds of National Guard troops and federal officers into Chicago to “restore law and order” amid what he called a “collapse of safety” in the city. His directive bypassed Illinois Governor J.B. Pritzker’s refusal to authorize state troops for federal control, igniting outrage among state and city officials who accused Trump of attempting to federalize local law enforcement without consent.

In response, Illinois and the City of Chicago jointly filed an emergency lawsuit to halt the deployment, arguing that Trump’s actions violated the Posse Comitatus Act, which limits the use of military forces for domestic law enforcement. They also claimed the administration failed to provide a clear operational plan outlining how the troops would be used and under what legal authority.

During the tense court hearing, Judge Perry stopped short of issuing a full restraining order but expressed deep concern about the lack of transparency from the Trump legal team. “The Court requires immediate and complete clarification regarding the scope, purpose, and authority of this deployment,” she said. “The people of Illinois are entitled to know the extent of military involvement on their streets.” Perry’s ruling ordered the Trump team to deliver a comprehensive justification within 48 hours or suspend the operation entirely.

Governor Pritzker called the ruling “a critical victory for state rights,” emphasizing that the federal government cannot simply override local decision-making. “Illinois is not a battlefield,” he said. “We will not tolerate unconstitutional interference in our communities under the guise of public safety.”

Trump’s legal representatives argued that the deployment was necessary to combat rising violent crime and to protect federal property. They claimed the move was within the president’s emergency powers and that the troops were trained for civil support, not policing. However, Judge Perry pressed them repeatedly for evidence of coordination with state officials, which the government could not provide.

Legal scholars are calling the case one of the most significant tests of federal power in decades. “This could redefine the balance between federal authority and state sovereignty,” said Dr. Alan Reaves, a constitutional law professor at Georgetown University. “The question isn’t just whether Trump can send troops — it’s whether any president can deploy military forces domestically without the consent of local governments.”

Tensions remain high in Chicago, where residents are divided over the potential troop arrival. Some community leaders fear the presence of military forces will escalate unrest rather than calm it. Others argue that federal intervention may be necessary to address ongoing violence in certain neighborhoods.

Meanwhile, the Biden administration has refrained from direct comment, though insiders suggest the Department of Justice is closely monitoring the case. If the Trump team fails to meet the court’s 48-hour deadline, Judge Perry is expected to issue an emergency injunction blocking all troop activity in Illinois pending further review.

As the clock ticks, both sides brace for a defining moment. The decision could set a precedent that reaches far beyond Chicago, influencing how future presidents wield executive power during domestic crises. For now, the nation watches as the former president, a sitting judge, and a state government collide in a confrontation that could reshape the limits of presidential authority in America.