A New Jersey real estate investor admitted Monday that he was involved in a massive, far-reaching $54.7 million mortgage fraud scheme, federal prosecutors said. Aron Puretz, 53, pleaded guilty to one count of conspiracy to commit wire fraud affecting a financial institution, according to a release from the U.S. Attorney’s Office District of New Jersey. Between 2016 and 2022, Puretz and others not identified by officials, tricked lenders into issuing multifamily and commercial mortgage loans by providing them with phony documents. The faked papers included purchase contracts with inflated purch…