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Slain UCSF Social Worker at SF General Identified as Alberto Rangel, 51

San Francisco health officials are accelerating security upgrades following union demands for accountability.

Overview

  • Rangel died on Dec. 6, two days after being stabbed multiple times inside Ward 86, the hospital’s HIV/AIDS clinic, according to authorities.
  • Police arrested 34-year-old Wilfredo Tortolero Arriechi, who was initially booked on attempted murder, assault with a deadly weapon, mayhem, and a weapons enhancement as the Homicide Detail reviews charges.
  • Officials say a sheriff’s deputy had been posted to protect a threatened doctor and intervened to restrain the attacker; a five-inch kitchen knife was recovered at the scene.
  • Colleagues and a GoFundMe identified the victim as Alberto Rangel, described as a beloved caregiver who worked in Ward 86 for more than a decade.
  • Unions criticized reduced on-site security and called for a transparent investigation, while DPH said it is adding security officers, consolidating access points, speeding weapons detection, and beginning wanding at the buildings housing Ward 86.