Murder charges filed against suspect in Napa double homicide

Murder charges have been filed against the man suspected of carrying out a double homicide in Napa.

The Napa County District Attorney charged 22-year-old John Richard Wesley Nicholson, of Vallejo with two counts of murder and special circumstances in the deaths of Aileen Villasenor, 19, and 17-year-old Sasha on Saturday evening.

Prosecutors said Nicholson killed Villasenor and Sasha during an altercation in the 400 block of Riverside Drive at 8:10 p.m. They have not said what the altercation was about.

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John Nicholson is accused of murdering two teens in Napa on April 13, 2024.

From: KTVU FOX 2

Prosecutors believe the crimes involved a "high degree of cruelty, viciousness, and callousness; that the crimes were carried out with planning, sophistication, and professionalism; and that the defendant engaged in violent conduct that indicates a significant danger to society."


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He appeared in court on Wednesday for an arraignment hearing but did not enter a plea.

The district attorney is reviewing the charges against Nicholson's alleged accomplices Jessica Whitten and Judith Adolph, both aged 19. Whitten and Adolph were arrested in connection with the double homicide.