Unidentified White / Caucasian Male
Age 25-35
from Red Rock, Arizona

Missing persons whose details are consistent with these remains, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

Values read: this case vs the missing person.

78%Possible

William Sisco, Jr.

MP28140 • Missing since Jun 12, 1994 from Happy Valley, Arizona

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Sex ✓Male

Age 100%Est. 25–35 vs 32

Race 100%White

Location 88%56 mi away, same state

TimingFound 3 months after last seen

Hair 100%Blond vs Blond

77%Possible

Fred Conklin

MP42752 • Missing since May 1, 1993 from Tucson, Arizona

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Sex ✓Male

Age 100%Est. 25–35 vs 30 when missing

Race 100%White

Location 94%32 mi away, same state

TimingFound 16 months after last seen

Hair 50%Blond vs Brown

77%Possible

Donald Shelenberger

MP28119 • Missing since Jul 2, 1994 from Pima County, Arizona

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Sex ✓Male

Age 100%Est. 25–35 vs 35

Race 100%White

Location 92%41 mi away, same state

TimingFound 2 months after last seen

Hair 50%Blond vs Brown

75%Possible

Michael Georgeoff

MP552 • Missing since Feb 2, 1993 from Phoenix, Arizona

View case

Sex ✓Male

Age 95%Est. 25–35 vs 23 when missing

Race 100%White

Location 82%74 mi away, same state

TimingFound 19 months after last seen

Hair 100%Blond vs Blond

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling this case.