When a person is arrested without a warrant in Florida, that person must be brought before a judge within 24 hours of the person's arrest, for First Appearance. The officer cannot legally make a warrantless arrest for a misdemeanor unless the crime was committed in his or her presence.Police officers usually need a warrant to search property, but can arrest an individual without evidence if they have probable cause they committed a crime. The short answer is "no. " A warrant is not required in every situation involving a lawful arrest. Law enforcement officials do not always need a warrant to arrest someone. Some instances allow for a warrantless arrest. There is no process. If the facts known to the officer amount to probable cause the officer can make an arrest without a warrant. Warrantless arrests are allowed but still require probable cause.