If the officer does not have probable cause to arrest you, any items found in a search incident to arrest must be suppressed due a Fourth Amendment violation. When the police conduct an unlawful search, it may lead to a Fourth Amendment unlawful search claim, and it may also lead to a false arrest.The City of Chicago is currently seeking qualified Police Officer candidates for the Chicago Police Department's (CPD) upcoming 2024 and 2025 academy classes. Police must have a warrant to search a person or vehicle unless they already have probable cause that it contains contraband or evidence of a crime. Police officers are required to either possess a valid search warrant or fall under one of the exceptions to the Fourth Amendment to conduct a lawful search. If the police violate the Fourth Amendment, evidence they obtained during an unlawful search might be excluded in court. All COPA employees are subject to the rules of conduct set forth in the City of Chicago's Personnel Rules. COPA initially points out correctly: A police officer's use of force to effect an arrest is a seizure within the meaning of the Fourth. Amendment. Illinois search and seizure law springs directly out of the federal constitution 4th Amendment. The Fourth Amendment (Federal Constitution).