A Milwaukee businessman known online as "The Black Mentor" is headed to federal prison.A judge sentenced Joseph Nantomah to 48 months in prison after he pleaded guilty to fraud charges tied to what prosecutors described as a mul timillion-dollar investment scheme.Nantomah admitted he took money from investors who believed they were funding real estate deals, then used some of that money for personal expenses and to pay earlier investors.13 victims addressed the court before sentencing, many were emotional while describing the financial and personal toll the losses have taken on their lives. 39 victims have been identified to date, with losses topping 2.7 million dollars.The judge ultimately ordered Nantomah pay that sum of money back to the victims in restitution, alongside the 4-year prison sentence. The judge included a 3-year probation but added that Nantomah will likely be deported to Nigeria after his prison term.Nantomah apologized in court, describing what happened as "A mistake that I made, that became a ripple effect."Nantomah remains in custody. His attorney has not announced whether an appeal will be filed.This story was reported on-air by a journalist and has been converted to this platform with the assistance of AI. Our editorial team verifies all reporting on all platforms for fairness and accuracyIts about time to watch on your time. Stream local news and weather 24/7 by searching for TMJ4 on your device.Available for download on Roku, Apple TV, Amazon Fire TV, and more.Report a typo or error ...read more read less