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DENVER — The Denver Police Department said Wednesday that a 16-year-old girl has been taken into custody on suspicion of first-degree murder in the death of 7-year-old Jordan Vong.

The teenager is being held without bond and will be formally charged on Tuesday. An advisement hearing was held in juvenile court Thursday. She did not appear in court.

Vong was reported missing about 4:30 p.m. Monday from the 4900 block of Fairplay Street near Chambers Road and Bolling Drive in the Montbello neighborhood

Police combed through local neighborhoods. Hundreds of posters were put up and officers searched a 20-block radius around the home. The FBI was also called in.

Late Tuesday night, police revealed Jordan’s body was found.

The 16-year-old was arrested on Wednesday morning. The exact circumstances leading to her arrest were not released.

Police did not release the girl’s relationship to the boy or any other details about her because she is a minor.

“It was intentionally concealed, and it took some time to find it,” said Joe Montoya, division chief of investigations.

He declined to say where the body was located, what condition it was in or how the boy died.