The person at the center of this case
Sebastian Chase Madero
Missing Person · Open
3 years waiting · since 2023
Missing Person: Sebastian Chase Madero
Justice for Sebastian Chase Madero — the trail went cold in 2023, but the truth hasn't.
Start here
Key leads to think about
👤
person
Lead #1Who is the third party that Sebastian left to live with, and have they been contacted by investigators?
📞
contact
Lead #2Why has no one been able to get in contact with Sebastian since August 15, 2023—has his phone been disconnected or is he intentionally avoiding contact?
💡
clue
Lead #3What were the circumstances that prompted Sebastian to leave his family's residence, and were there any warning signs or concerning behavior beforehand?
Sebastian Chase Madero, a 28-year-old white male, was last known to be in contact with his family on August 15, 2023, in Tulsa, Oklahoma, when he left his family's residence to live with a third party. No one has been able to reach him since that date, and his current whereabouts remain unknown. The Tulsa Police Department is investigating his disappearance and seeks information from anyone who may have had contact with him or knowledge of his location.
Try asking
Claim this imported case
A one-time $10 claim transfers this imported case workspace to your account. You get 10 uploads for this case, 25 daily AI questions for this case, and public tips with files route to you.
10 uploads25 AI questions/day
This does not start a subscription. When the included limits are reached, the Personal plan unlocks more workspace capacity.
Official wording
Source Narrative
NamUs case MP109548. Missing person: Sebastian Chase Madero.
Last known contact: 2023-08-15 in Tulsa, Tulsa, OK. Circumstances: Left his family's residence to go live with a third party.
No one has been able to get in contact with him since. Demographics: 28 years, Male, White / Caucasian.
Physical description: 5 ft 5 in, 130 lbs, hair: Brown, eyes: Brown. Investigating agency: Tulsa Police Department | 2023-042176 | 2023-08-29.
Timeline of Events
👁️
2023-08-15
Last Known Contact
Sebastian Chase Madero last known to be in contact with family in Tulsa, OK. He left his family's residence to go live with a third party.
🕵️
2023-08-29
Case Reported
Tulsa Police Department opened investigation case MP109548 / 2023-042176 after no contact was established with Sebastian.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 15, 2023
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9185969143
You can remain anonymous
Leave a comment
Comments
Case Information
Incident:August 15, 2023
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9185969143
You can remain anonymous