San Diego police say they’ve intercepted about $1 million worth of narcotics headed for shipment across the U.S., leading to four arrests. Detectives with the San Diego Police Department’s Narcotics Unit worked with U.S. Postal Service inspectors throughout September to intercept 458 packages that were being prepared for shipment from postal facilities across San Diego County. The seizure included methamphetamine, with more than 100,000 counterfeit Adderall pills, plus MDMA, ketamine, cocaine, and Xanax. Estimates of the street value reaches up to $1.14 million. View this post on Instagram Evolution of the drug trade Back in the day, buying drugs usually meant a sketchy, in-person transaction. Users met dealers after hours in places ranging from back alleys and gas stations to the parking lots of bars, fast food joints, and shopping malls.…