What, I was assigned to the 12th Precinct Homicide Squad, and Beckett is my colleague?

My neighbor is a high school chemistry teacher, he has a very good personality, everyone calls him Walter White.

He is an all-around policeman, a non-staff agent of the FBI and CIA.

American TV series background - Castle - Breaking Bad - Blue Bloods

A small number of American police and gangster TV series as background, mainly movies.