CASE FILE #006

Diane Denise Williams

Victim

Diane Denise Williams

No verified photo on file

1972 · Age 17 · Washington, DC

Last Known Information

Diane Denise Williams, 17, a Ballou High School senior, was taken on September 5, 1972 — the sixth and final victim linked to the Freeway Phantom case in Washington, D.C.

Location

Washington, DC

Discovery / Timeline

1972: Case opens — victim reported missing or found.
Documented milestones (renewed investigation, media coverage, family advocacy) to be added as sourced.
Present: case remains unresolved. No named suspect has been convicted.

Investigation

Victim identity, age, and the September 5, 1972 date, per public reporting.
Considered the final case in the series.

What Remains Unknown

No confirmed suspect has been named and convicted.
Full circumstances remain undisclosed in public records.

Sources

Metropolitan Police Department (MPDC) — official case page
Project Cold Case
Murder Accountability Project
NamUs

Unanswered Questions

Why is this case considered the last in the series, and what evidence supports that?

What official review, if any, has this case received in recent decades?

What remains unclear about the timeline of her disappearance?

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