NYPD Police Officer No. 743

This Policeman is an American No-Maj who worked for the New York Police Department in 1926.

He interviewed two witnesses when some of Newton Scamander's creatures were accidentally released from his suitcase, where one believed it was a gas explosion and the other was going to tell what he saw before he got obliviated to make him agree with the other witness'es belief causing some arguments and paranoia in the crowd.

Behind the scenes
The Policeman was portrayed by Erick Hayden in Fantastic Beasts and Where to Find Them.