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Case Description
Any updates on this case?
Sisco was last seen panning for gold with two friends in the Happy Valley area of Pima County, Arizona on June 12, 1994. That evening he got into an argument with his friends; he wanted to leave and his friends did not. Sisco left on foot and alone. He has never been heard from again.
Sisco had two warrants out for his arrest when he disappeared; one of his friends believes he left of his own accord to avoid having to go to prison. Investigators, however, believe Sisco may have met with ...Read More
Last Seen: Jun 12, 1994
Sisco had two warrants out for his arrest when he disappeared; one of his friends believes he left of his own accord to avoid having to go to prison. Investigators, however, believe Sisco may have met with ...Read More
Last Seen: Jun 12, 1994
Links to Additional Sources (2)
See any mistakes?Victim Details
Mar 26, 2015
Aug 13, 2019
William
Sisco, Jr.
62
32
73 inches
165 lbs
White / Caucasian
Male
Jun 12, 1994
Happy Valley
Arizona
Pima County
213
16457
Pima County Sheriff's Department
Tucson
Arizona
Pima County
85714
1750 East Benson Highway, Arizona
5203514600
County
Law Enforcement
Pima County Sheriff's Department
Blond/Strawberry
Hazel
Hazel
11/19/2025
Area Last Seen:
Forum Posts (3)
Hey everyone, I've been digging around trying to make sense of the Sisco case and something that jus... ...Read More
09/14/2024
09/14/2024
Does anyone have more information on the Happy Valley area in Pima County around the mid-'90s? I’m... ...Read More
05/13/2024
05/13/2024
I’ve always been intrigued by the mysterious disappearance of Sisco back in '94. Just want to poin... ...Read More
07/14/2023
07/14/2023
