The ex-husband of a Real Housewives of New Jersey cast member was convicted of hiring a mobster to assault his ex-wife’s then boyfriend in exchange for a free wedding, U.S. Attorney Philip R. Sellinger announced Tuesday. Thomas Manzo, 59, of Franklin Lakes was convicted by a federal jury after a two-week trial of committing a violent crime in aid of racketeering activity, conspiracy to commit a violent crime in aid of racketeering resulting in serious injury and falsifying and concealing documents related to the investigation. Prosecutors said in the spring of 2015, Manzo hired John Perna, a “…