Gilgo Beach murder suspect Rex Heuermann once worked as an architect for former President Donald Trump, a report said. The Trump Organization hired Heuermann’s architectural firm, RH Architecture, for a plumbing job on the 17th floor of the Trump Building at 40 Wall St., according toan October 2018 filing with the New York City Department of Buildings. The project at the crown jewel Art Deco-style building was projected to cost $205,017.00, the document states. The filing names Heuermann as the applicant, while the Trump Organization’s VP of property management, Steve Lafiosca, is shown as the owner.