KEARNY, N.J. – Nevin Shapiro once lived in a $6.1 million, 6,432-square foot mansion on North Bay Road in Miami Beach. It came complete with views of Biscayne Bay and the Miami skyline from the Spanish-themed pool. If he grew bored with that, he’d take out his $1.6 million Riviera yacht. Or just hit his usual South Beach haunts – Prime 112 or Mansion nightclub or the Mercury Hotel, where he occasionally threw wild, hooker-fueled parties. On more casual days maybe he’d hang out with a local celebrity such as Shaquille O’Neal, Dwyane Wade or any number of current or...