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Mark Leland Kirks

The person at the center of this case

Mark Leland Kirks

Case
#750
SourceFBI WantedUpdated Mar 15, 2026
Waco Police Department
Violent Crime · Open
17 years waiting · since 2008

MARK LELAND KIRKS - WACO, TEXAS

Justice for Mark Leland Kirks — the trail went cold in 2008, but the truth hasn't.

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Key leads to think about

👤
person
Lead #1

What circumstances led Kirks to leave his group home that day, and did he have any planned destinations or contacts?

👁️
witness
Lead #2

Did anyone in the Waco community observe a man with a prominent hunched back wearing grey and black clothing on December 6, 2008?

💡
clue
Lead #3

Given Kirks' mental health conditions and intellectual disabilities, could he have sought shelter or assistance from a specific location or person?

Mark Leland Kirks, a 2008 missing person from Waco, Texas, left his group home residence on December 6, 2008, at approximately 2:45 p.m. and has not been located. Kirks, who has intellectual disabilities and mental health conditions including schizophrenia and bipolar disorder, was last seen wearing a grey and black hooded sweatshirt, black warm-up pants, and black tennis shoes. His case remains unsolved, and investigators seek information from anyone who may have encountered him or knows of his whereabouts.

Case
#750
SourceFBI WantedUpdated Mar 15, 2026
Waco Police Department

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Official wording

Source Narrative

December 6, 2008 Waco, Texas On December 6, 2008, at approximately 2:45 p.m., Mark Leland Kirks was last seen leaving his residence in Waco, Texas. Kirks lived at a group home for individuals with intellectual disabilities.

He was diagnosed with schizophrenia and bipolar disorder. He walks with a prominent hunch in his back and was last seen in a grey and black sweatshirt.

Anyone with information regarding Kirks’ whereabouts or who had contact with him are asked to contact the Waco Police Department in Waco, Texas. Remarks: Kirks has a hunched back.

He was last seen wearing a grey and black hooded sweatshirt, black warm-up pants, and black tennis shoes.

Timeline of Events

👤
2008-12-06
14:45

Last Seen Leaving Residence

Mark Leland Kirks was last seen leaving his group home residence in Waco, Texas at approximately 2:45 p.m. He was wearing a grey and black hooded sweatshirt, black warm-up pants, and black tennis shoes.

Key Locations
Interactive map showing important locations related to this case

Case Information

Incident:December 6, 2008 at 2:45 PM
Last Updated:April 29, 2026

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Case Information

Incident:December 6, 2008 at 2:45 PM
Last Updated:April 29, 2026