Investigators in California are trying to identify a girl who was found dead near a Hacienda Heights hiking trail, authorities said Wednesday.

According to the Los Angeles County Sheriff's Department, county employees found the girl's body Tuesday morning "partially inside a black, rollaway-type duffel bag" down an embankment. Detectives believe she died about 48 hours earlier, and someone left her remains there Sunday evening, KTTV reported.

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The Sheriff's Department released sketches of the girl, along with photos of the bag and her clothes, on Wednesday. Officials described her as a 4-foot-5, 8- to 13-year-old black girl weighing about 55 pounds. She was wearing a pink shirt with "Future Princess Hero" written on the front and gray panda-print pants, deputies said.

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Sheriff's officials said the body showed "no obvious signs of trauma" but called the death "suspicious."

"Investigators will spare no efforts to find out what happened," Sheriff Alex Villanueva said.

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Officials urged anyone who has information about the case to call the Sheriff's Department's homicide unit at 323-890-5500 or submit an anonymous tip to Crime Stoppers by calling 1-800-222-8477 or using the P3 Tips mobile app.

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