2006 New York Code - Peace Officers And Their Duties.

 
    § 423. Peace  officers  and  their duties. The officers and members of
  the state police, any local police  department  and  any  peace  officer
  acting  pursuant to his special duties shall have and exercise the power
  and it  shall  be  their  duty  to  investigate  and  make  arrests  for
  violations of the provisions of this chapter. They shall investigate any
  theft  of  a  motor  vehicle or trailer, of which they receive notice or
  have information, and arrest or cause the arrest  of  any  person  where
  reasonable  grounds exist to believe that such person has stolen a motor
  vehicle or trailer, and, when necessary for such arrest, make  complaint
  on information before the proper court or magistrate.