Maryland Criminal Procedure Section 2-205

      A police officer without a warrant may arrest a person if:

            (1)      the police officer has probable cause to believe the person has engaged in stalking under § 3-802 of the Criminal Law Article;

            (2)      there is credible evidence other than the statements of the alleged stalking victim to support the probable cause under item (1) of this section; and

            (3)      the police officer has reason to believe that the alleged stalking victim or another person is in danger of imminent bodily harm or death.