The person at the center of this case
Jayden C Sassack
Missing Person · Open
84 days waiting
Missing Person: Jayden C Sassack
Justice for Jayden C Sassack — the trail went cold in 2026, but the truth hasn't.
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Key leads to think about
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location
Lead #1Why was Jayden in the W. Madison St. and S. Wells St. area of Chicago, and what was he doing there before disappearing?
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person
Lead #2Who is the female in Plainfield, IL that Jayden may be residing with, and what is their relationship?
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timeline
Lead #3What happened between his last sighting in Island Lake at 11:00 AM and the phone pings in Chicago?
Jayden C Sassack, a 17-year-old male, was last seen on August 10, 2026, at approximately 11:00 AM in Island Lake, Illinois. His last phone pings placed him in the Chicago area near W. Madison St. and S. Wells St., and he may be residing with a female in Plainfield, Illinois. The Village of Island Lake Police Department is actively investigating his disappearance and seeking information from the public.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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witness
Lead #4Did anyone see Jayden on August 10, 2026, either in Island Lake or during travel to Chicago?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP162656. Missing person: Jayden C Sassack.
Last known contact: 2026-08-10 in Island Lake, Lake, IL. Circumstances: Last seen on 08/10/2026 at approximately 1100 hours.
He was known to frequent Chicago, IL in the weeks before he was reported missing. Last phone pings placed him in the area of W.
Madison St. and S.
Wells St, Chicago, IL. Subject may be currently residing with a female in Plainfield, IL.
Demographics: 17 years, Male, White / Caucasian. Physical description: 5 ft 6 in, 150 lbs, hair: Brown, eyes: Brown.
Clothing and accessories: Accessories: Belt; Clothing: White tank top and blue jeans; Footwear: Brown boots. Investigating agency: Village of Island Lake Police Department | 2026-00013217.
Timeline of Events
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2026-08-10
11:00Last Sighting
Jayden C Sassack was last seen at approximately 1100 hours in Island Lake, Illinois.
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2026-08-10
Last Known Contact
Last known contact occurred on August 10, 2026 in Island Lake, Lake, IL.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 10, 2026 at 11:00 AM
Last Updated:September 27, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 8475262100
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Case Information
Incident:August 10, 2026 at 11:00 AM
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8475262100
You can remain anonymous