NEWPORT BEACH, Calif.—Heavy rain drops began to fall against a white truck marked “HAZMAT” parked at the end of the 100 block of Diamond Ave in the quaint Balboa Island neighborhood, surrounded by expensive yachts that line the Newport Beach Harbor. Just 300 feet away in a home across the threshold of yellow police tape were the bodies of Andrew Adams, 43; Desiree Temple, 43, of Yorba Linda; and Samantha Haiman, 45, of Riverside. Investigators with the Newport Beach Police Department at the scene in October suspected that illegal drug activity was involved in the deaths, with the possibility of fentanyl. Though the investigation is still ongoing, the tragedy is a reminder that the affluence of Orange County’s wealthiest city does not exempt it from California’s drug crisis, which saw 5,502 opioid-related overdose deaths in 2020, a 126 percent increase from 2018, according to the California Department of Public Health. “I …