In some cases, police officers can make a Florida arrest without an arrest warrant. Florida law allows law enforcement officers to make a warrantless arrest for misdemeanor offenses if the offense was committed in the officer's presence.The officer cannot legally make a warrantless arrest for a misdemeanor unless the crime was committed in his or her presence. If an officer witnesses a crime in progress, he can make an arrest without a warrant. In felonies, police can arrest you without a warrant if they have probable cause to believe you committed the crime. Law enforcement officials do not always need a warrant to arrest someone. Some instances allow for a warrantless arrest. A warrantless arrest is usually a "strike while the iron is hot" situation. In many cases, the suspect may not be aware that a warrant has been issued against them. This type of warrant is called an out of custody capias.