An officer may arrest a person without a warrant, on any day and at any time in any of the following instances: (1) If a public offense has been committed. (a) Extract an item from the anus or vagina of a subject without a warrant, except where.Police (or the Criminal Court) cannot put out an arrest warrant unless a Judge agrees there is Probable Cause to arrest a person. When serving warrants on subjects not in custody two officers must be present. When serving warrants on subjects already in police custody, or in. Under the Fourth Amendment, a warrantless arrest requires probable cause. (1) only an officer assigned to the Montgomery County Police Special Weapons and Tactics (SWAT) Team may participate in the execution of a no-knock warrant;. The short answer is no. Police cannot force you to come into the police station if there's no warrant out for your arrest. (D) Warrants of arrest shall be issued for execution only to police officers as defined in Rule.