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The body of a 15-year-old girl who went missing on Friday was found today on the grounds of a business in Compton, and the search is on for her killer.

Her body was discovered about 1:30 a.m. in the 500 block of Victoria Street, which isn’t far from California State University Dominguez Hills, the Los Angeles County Sheriff’s Department reported.

Sheriff’s officials identified the girl as Samantha Bustos, who lived in the Gardena area. Investigators have determined her death was a homicide, but they haven’t revealed exactly how she died, according to authorities.

Bustos’ mother, Blanca Bautista, told NBC4 her daughter had claimed to be going to a sleepover with her best friend, but went to a party instead. She was last seen Friday in Compton, she told Channel 4.

Her family reported her missing on Sunday, according to sheriff’s officials, who said Bustos had “sustained traumatic injury” to her upper body.

“The cause of the traumatic injury is unknown,” sheriff’s officials said. “The cause of death and identity will be determined by the Los Angeles County Department of Medical Examiner-Coroner.”

The girl’s body was found face-down in bushes by a passerby, according to reports from the scene.

“This morning, we were told that they found a body on our property on the outside of our fenced-in area,” Andy Miller, CEO of National Retail Systems, told KTLA5. “They believe it happened some time Saturday evening.”

Miller said his company was working to provide security video to investigators.

Anyone with information on the case was urged to call the sheriff’s homicide investigators at 323-890-5500.