Illinois v. Condon

Background

The State of Illinois sought review after police in Du Page County used information from informants to obtain a warrant and then entered a home on November 6, 1987 without knocking or announcing. Officers arrested the resident and found cocaine, marijuana, 13 guns, and marked currency. The resident was convicted after the trial court denied a motion to exclude the evidence. An Illinois appellate court reversed, and the Illinois Supreme Court affirmed that reversal, holding the facts did not show emergency reasons to avoid knocking.

Reasoning

The central question was whether police had an emergency reason—what courts call “exigent circumstances”—to enter without announcing themselves before executing a warrant. The Illinois Supreme Court concluded the State’s four arguments (risk of drug destruction, surveillance cameras and a police scanner, presence of weapons, and the owner’s prior arrest with a gun) did not justify an unannounced entry and rejected treating those facts together as enough to excuse knocking.

Real world impact

Because the U.S. Supreme Court declined to review the case, the Illinois court’s decision stands in that State and limits when police there may enter without announcing. The denial leaves conflicting rulings in other courts unresolved, so police practices and defendants’ protections will still vary across jurisdictions and could change if a higher court later takes the issue.

Dissents or concurrances

Justice White, joined by the Chief Justice, dissented from the denial and would have granted review to resolve splits among other courts that have found similar facts sufficient to allow unannounced entries.