An Orange County family is mourning the death of their 15-year-old loved one who was fatally stabbed by a suspected gang member over the weekend.

They say that Allison Castillo was in her old Costa Mesa neighborhood visiting her best friend at around 12:30 p.m. when the deadly attack took place. Castillo was rushed to a nearby hospital where she later died.

"I wanna say a lot of things, cause my daughter didn't deserve that," said Castillo's mother, Yoana Legaspi. "She had a lot of future. ... I think she was in the wrong time, wrong place. She was a great daughter."

Matthew Juarez, a 31-year-old man who they believe is a gang member, was arrested in Anaheim hours after the stabbing. Family members are demanding answers as to what led up to the incident.

"We don't understand who he

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