10 ARRESTS WITHOUT A WARRANT PERMITTED FOR CRIMINAL OFFENSES: Maryland law permits sworn police officers to make warrantless arrests for criminal violations. Art., § 2-202, police can arrest people without a warrant under certain circumstances.Absent consent or a verifiable emergency, Maryland enforcement officers would require a warrant to enter your home. Can Maryland Police Enter My Home Without a Warrant? Members to follow when arresting persons without a warrant. In order to place you under arrest, the officer must first have a reason (probable cause). A police officer will arrest you under the following circumstances:. Read the Law: Md. Code, Criminal Procedure §2204. Absolutely. The po po can arrest you if there is a warrant issued for your arrest at any place and at any time. When or if the judge orders an arrest warrant, the police officer must arrest the person.