An 18-year-old woman was shot and killed by a San Mateo County Sheriff's deputy on Tuesday evening, according to a Sheriff's Office spokeswoman.
Deputies responded to the Moonridge Housing Complex on Miramontes Point Road about 9:23 p.m. on reports of a violent woman who was believed to be armed, Deputy Rebecca Rosenblatt said.
Upon arrival, a deputy confronted the woman and fearing for his life, discharged his weapon, Rosenblatt said. She was declared deceased at the scene.
She was identified by the San Mateo County Coroner's Office as Yanira Serrano-Garcia of Half Moon Bay.
According to a report on NBC Bay Area, Serrano-Garcia's brother said she had special needs and may have been off her medication. He also said she may have had a knife.
He was distraught by the incident and wanted to know why officer didn't use nonlethal force.
“We want answers,” Lorenzo said. “Why didn't they use a Taser? We just want to know what really happened.”
The incident is being investigated by both the Sheriff's Office and San Mateo County District Attorney's Office.
No officers were injured in the incident.
Bay City News contributed to this report.