TUCSON, Ariz. – Santiago Luis Valencia, Jr., 36, of Tucson, was sentenced earlier this month by Chief United States District Judge Jennifer G. Zipps to 87 months in prison. Valencia previously pleaded guilty to Voluntary Manslaughter.
On June 15, 2024, Valencia assaulted the victim at a private residence on the Pascua Yaqui Tribe after initiating a physical altercation. During the fight, the victim suffered a head injury that resulted in his death the following day. Both Valencia and the victim were enrolled members of the Pascua Yaqui Tribe.
The FBI Phoenix Division’s Tucson office and the Pascua Yaqui Police Department conducted the investigation. The United States Attorney’s Office, District of Arizona, Tucson, handled the prosecution.
CASE NUMBER: CR-24-04265-TUC-JGZ
RELEASE NUMBER: 2026-140_Valencia
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Source: U.S. Attorney’s Office — Arizona — U.S. Department of Justice press release.