The Newtown Police Department has named the next chief of police.  Lt David Kullgren will step into the role when Chief James Viadero leaves to take a new state job.  The announcement was made at the Police Commission meeting on Tuesday.  Kullgren is the Newtown Police Department's administrative services bureau commander and has served on the force for over 20 years. He is a Newtown resident. Viadero is becoming chief inspector at the Office of the Inspector General.  The new role was created in the Police Accountability Bill.  He will be responsible for investigating police shootings.