← THE REGISTER

Register entry · Case file · Missing person · Gary IN

Diamond Bynum and King Walker.

MUS-2026-0514

Archive card

MUS-2026-0514

Missing person

Incident
2015
Indexed
Oct 28, 2026, by MuseUnsolved
Agency
Gary Police Department
Location
Gary IN

Public record. Index entry.

Index entry. Case details compiled from public reporting; our researchers have not verified this file yet.

Summary

What happened, as the record shows.

Diamond Bynum, 21, who has Prader-Willi syndrome and functions at a young child's level, disappeared with her 2 year old nephew King Walker from a home on Matthews Street in Gary, Indiana, on July 25, 2015. A relative woke from a nap and found them gone. Neither has been found and no arrests have been made.

Timeline

What the record establishes.

  1. 2015

    On July 24, 2015, King Walker is dropped off at the Gary home for the weekend.

  2. 2015

    On July 25, 2015, Diamond Bynum and King Walker are discovered missing after a relative wakes from a nap.

Key people

The people in the file.

MissingDiamond Bynum

21, of Gary, Indiana. Has Prader-Willi syndrome. Disappeared on July 25, 2015 with her nephew.

MissingKing Walker

2, of Gary, Indiana. Disappeared on July 25, 2015 with his aunt.

Investigating agencyGary Police Department

Contact details change over time; confirm the current assignee before publishing.

Investigating agency

Where tips go.

This case is with the Gary Police Department. If you know something, say something to them. For public-record leads for our researchers, use the tip line on any open file.

Continue

Keep reading.