A retired truck driver from Texas pleaded not guilty to the 1993 murder of a Riverside County woman, prosecutors said.

The Riverside County District Attorney's Office charged Douglas Thomas, 71, with the murder of Sherri Herrera, 30, in 2022. Herrera's body was discovered on an I-10 Freeway on-ramp near Joshua Tree in 1993. Prosecutors said she was last seen alive just days before her body was found. She was a mother of four.

Riverside County investigators linked Thomas to Herrera's death after Texas Rangers used DNA evidence to connect the retired truck driver to the 1992 murder of a woman in Titus County, Texas. Thomas is currently serving a 40-year-to-life sentence after pleading guilty to the 1992 murder.

Prosecutors charged Thomas with murder after his DNA matched evidence reco

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