A 17-year-old Castaic resident was arrested earlier this month on allegations that caused investigators to suspect him of selling fentanyl in Castaic and on surrounding school campuses. On Dec. 18, 2025, Juvenile and Gang (JAG) detectives were conducting follow-up investigations based on tips regarding possible narcotic activity in Santa Clarita, officials with the Santa Clarita Valley Sheriff’s Station said.   ...

In a sweeping show of force early Thursday morning, multiple law enforcement agencies carried out a coordinated raid targeting Newhall 13—a “generational gang” linked to a decades-long trail of violence in the Santa Clarita Valley. The Newhall 13 gang has been operating and taking part in violent crime in the Santa Clarita Valley since at least the 1970s, including several ...