The Mendocino County Sheriff's Office reported that William Haley, 50, of Ukiah died while being booked into the county jail on Sunday morning.
Haley, who had been stabbed in an incident Saturday, was arrested after he allegedly assaulted a Ukiah Police Department officer who was investigating the stabbing incident, according to the report.
Following the stabbing, Haley was taken to Ukiah Valley Medical Center for treatment of the stab wound to his arm and was medically cleared before being transported to the Mendocino County Jail.
Haley, who sheriff's officials reported was intoxicated, was cared for throughout the night by jail medical staff for the stab wound.
On Sunday morning shortly before 9 a.m., Haley became unresponsive while going through the booking process.
Corrections personnel and jail medical staff assessed Haley, summoned the Ukiah Fire Department and began cardiopulmonary resuscitation.
Fire department personnel arrived and transported Haley to Ukiah Valley Medical Center where he was pronounced dead.
The incident is being investigated by the Mendocino County Sheriff's Office-Detectives Unit, Mendocino County Sheriff's Coroner and the Mendocino County District Attorney's Office.
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