SAN QUENTIN (CBS13) – A California inmate serving time for first-degree murder has died.

Dean E. Dunlap, 61, died on July 29 at an outside hospital, according to a CDCR statement on Wednesday. The official cause of his death is under review.

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Dunlap was sentenced to death on April 14, 2006, in San Bernardino County for first-degree murder, the CDCR said. He was admitted into death row 10 days later.

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The CDCR said Dunlap has been in the custody of the San Bernardino County Sheriff’s Office on out-to-court status since November 2016.

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Prior to his death row sentencing, Dunlap had been convicted of raping, kidnapping, and killing a 9-year-old girl in 1992, according to a 2016 L.A. Times report.