SECTION 1. Chapter 41, section 98 of the General Laws, as appearing in the 2008 Official Edition, is hereby amended by adding the following at the end of said section: -

Police officers who are employed by any city or town, or by the Massachusetts Bay Transportation Authority Transit Police Department, shall have police authority in all criminal matters and in the enforcement of the law and in serving criminal process. The powers granted to police officers under this section may be exercised anywhere in the commonwealth.  Any officer who makes an arrest outside his or her territorial jurisdiction shall, as soon as practicable, turn the arrested person over to a state police officer or a police officer of the city or town where the offense occurred.  Should the State Police Barracks Commander, Chief of Police or officer in charge of a police department deem such as arrest to be unlawful, nothing in this section shall require him or her to book or process the arrest, or to file a criminal complaint against the person arrested.  Any officer who makes an arrest outside his or her territorial jurisdiction shall provide to the police department to whom the arrested person was transferred full and complete information about the arrest including but not limited to a written report.