Original: The Housing Police, along with the New York City Transit Police, was merged into the New York City Police Department in 1995 by New York City Mayor Rudolph W. Giuliani and continues today as the Housing Bureau.
Simplified: The Housing Police, as well as New York City Transit Police, became part of the New York City Police Department in 1995 by order of New York City Mayor Rudolph W. Giuliani and is now called the Housing Bureau.