The Federal Bureau of Investigation (FBI) arrested a Manhattan man, Idin Dalpour, on Wednesday morning for allegedly orchestrating a sophisticated multi-year Ponzi scheme.

Dalpour, 39, allegedly duped investors out of at least $43 million and faces a maximum sentence of 20 years behind bars, according to an unsealed indictment from the U.S. Attorney’s Office for the Southern District of New York.

Inside the Multi-Year Cry...