The NY architect/serial killer Rex Heuermann was the architect for catholic charities and the JFK airport.

RH Consultants & Associates, Inc. was incorporated in 1994, founded by Rex Heuermann, a Registered Architect. RHC has extensive experience providing over thirty years of service dealing with the New York City Building Code, the New York State Code, the NYC Department of Buildings and all major city agencies. Throughout the years, Rex Heuermann has provided services to other city agencies, not for profit agencies, builders, developers and individual owners of buildings in regard to ADA, NYC and NY State Codes as well as Zoning Consultation. RHC provides Expediting Services and Special Inspections mandated by law. He has also successfully presented his clients to the New York City Landmark Preservation Commission numerous times. His clients include Catholic Charities, NYC-DEP Sewerage Treatment and American Airlines and other major tenants at the JFK International Airport. He has an expert team with successful experience in all aspects of building regulations and best practices.

https://rh-architecture.com/about