The dime bags seized in Cranford were called "Bloody Money" and "Superman." The drug samples found in Hillside during a vehicle stop were called "Dunkin Donuts." But more ominous than the names were what authorities announced yesterday they found inside: fentanyl-laced heroin. It's the first confirmed appearance in northeast New Jersey of a drug cocktail that has in recent months become a public health scourge, trigging a rash of overdoses and deaths in South Jersey, Philadelphia and New York. "Of all the drugs available on the street right now, fentanyl-laced heroin is the deadliest of the deadly," said Jim O'Brien,...