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Mafnas, William F.

Mafnas, William F.

Offender Status: UNSUPERVISED
Level: Level 1
Photo Date: 1/29/2026
Last Reported: 1/29/2026
Registration Date: 9/1/2005
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Offense Conviction Date Occurred In Count
Third Degree Criminal Sexual Conduct (As a 2nd Degree Felony) 3/11/1993 N/A 3
Fourth Degree Criminal Sexual Conduct 7/19/1985 N/A 1
Third Degree Criminal Sexual Conduct (As a 1st Degree Felony) 7/19/1985 N/A 1
Fourth Degree Criminal Sexual Conduct (As a 3rd Degree Felony) 10/13/2015 N/A 1
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Alias Name(s)
AKA 'Billy Jack'
AKA 'Bill'
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Victim(s): Age
Female 18
Female 8
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Mark Location Mark Description
There are no recorded marks for offender.
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Scar Location Scar Description
There are no recorded scars for offender.
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Tattoo Location Tattoo Description
Forearm, right Dagger, Heart
Forearm, left Tiger
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Address Type Address Village State Zip Code
Residential 113A Adacao Street Mangilao Guam 96913
Mailing P.O. Box 315405 Hagåtña Guam 96932
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Employer Occupation Employment Address Village State Zip Code
Unemployed N/A N/A PS PSS N/A
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Vehicle Make Vehicle Style Vehicle Color Vehicle Year Plate Number Additional Details
There are no recorded vehicles for this offender.
Date of Birth: 1/10/1958
Ethnicity: Chamorro
Gender: Male
Height: 5'2
Weight: 170
Hair Color: Black
Eye Color: Brown
Birth Place: United States of America (USA)
Birth State: Guam
Profile Last Updated: 1/29/2026
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