Dublin police said Monday that a domestic violence suspect who was fatally shot by an officer on Sunday night after he allegedly attacked the officer with a metal baseball bat had an extensive criminal history and had attacked a friend in a separate incident on Saturday.
Dublin police also said Herrera had been going through a detoxification treatment for a drug problem but on Saturday night he allegedly used methamphetamine and attacked a friend in Livermore in an incident in which he threatened to eat his friend. When Livermore police arrived, Herrera was covered in blood and began fighting with the officers.
In the Dublin incident, police said Herrera met officers who were responding to a domestic disturbance call when they were met at the front door by Herrera, who was holding the bat.
Dublin Police Lt. Herb Walters said one officer drew his pistol as the bat struck him on his right hand, which was holding a weapon. Walters said that Herrera then raised the baseball bat over his head, aiming at the officer's head. Walters said the officer believed his life was in danger and fired four rounds at Herrera.
Medical personnel responded to the scene, but Herrera succumbed to his injuries.
Dublin police conducted interviews throughout Sunday night and learned that a family member had asked a friend to call the police because Herrera was being physical with his mother, Walters said. The friend reported to police that Herrera had pushed her and was possibly confrontational due to the effects of going through a drug detox program.
According to police, the witness interviews were consistent with the report that Herrera attacked the officer with a baseball bat.
Police in Livermore in the Saturday incident had to use their Taser to gain control of Herrera, according to Walters. Herrera was then taken to a local hospital for treatment. Herrera called his mother on Sunday morning to pick him up at the hospital because he decided to leave against the medical advice of the doctor treating him, according to police.
In a message late Monday to students and their families, Foothill principal Jason Krolikowski said Herrara had been a Foothill student since March 2013 "and was well liked by his classmates and teachers."
Krolikowski's message continued:
"Any time a young person is taken away from us so early, there will be heartache and sadness. For those of you who knew Oscar, please remember him in his finest moments and recall fondly his friendship.
"We will have grief counseling available through Foothill counselors. Students may come to the counseling office any time throughout the day, but they must notify their teachers first.
"Please be kind and compassionate to individuals who are visibly upset."
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