Santa Clara County child welfare official resigns a year after infant’s fentanyl overdose rocked community

The embattled head of Santa Clara County’s child welfare agency announced his resignation Thursday, a year after damning investigations by the Bay Area News Group and the state of California found numerous child safety failures that led to the death of an infant and put other vulnerable children in harm’s way.

In a letter to staff, Damion Wright, director of the Department of Family and Children’s Services, said the recent death of his father prompted his decision to move back to Southern...