Occasionally he recalls that early in the case he searched Google Earth for the addresses where Bin Wang’s fentanyl packages were headed. Up sprung photos of apartments in Atlanta, a trailer park in Tennessee, a boarding house in Reading, Pennsylvania, occupied by people who, he imagined, nurtured dreams of jackpot profits untethered to any realistic idea of how to handle or mix what they’d ordered. In the past, buying large quantities of such potent dope required months, maybe years, of cultivating contacts within a drug gang or mafia.