The person at the center of this case
William Klosinski
Missing Person · Open
13 years waiting · since 2013
Missing Person: William Klosinski
Justice for William Klosinski — the trail went cold in 2013, but the truth hasn't.
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Key leads to think about
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location
Lead #1What specific banquet hall or restaurant was he at when last seen?
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witness
Lead #2Were there witnesses who saw him leave the restaurant and which direction he walked?
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clue
Lead #3Why did he walk away from the banquet hall—was he meeting someone or did something prompt his departure?
William Klosinski, an 80-year-old man, disappeared on June 26, 2013, after walking away from a banquet hall or restaurant in Chicago. He was last seen wearing a white T-shirt, blue jeans, and white Nike velcro shoes. Despite the passage of time, the circumstances of his departure and his current whereabouts remain unknown, and anyone with information about his location is urged to contact the Chicago Police Department.
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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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person
Lead #4Given his age (80) and small stature (4'10"), would he have been able to travel far on foot?
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 MP20985. Missing person: William Klosinski.
Last known contact: 2013-06-26 in Chicago, Cook, IL. Circumstances: Last seen when he walked into a banquet hall/restaurant.
Walked away from the restaurant area. Demographics: 80 years, Male, White / Caucasian.
Physical description: 4 ft 10 in, 148 lbs, hair: Gray or Partially Gray, eyes: Brown. Clothing and accessories: Accessories: none; Clothing: white T shirt, blue jeans; Eyewear: none; Footwear: white Nike velcro gymshoes; Jewelry: none.
Investigating agency: Chicago Police Department- Area Five | HW336301 | 2013-06-26.
Timeline of Events
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2013-06-26
Last Seen at Banquet Hall
William Klosinski was last seen when he walked into a banquet hall or restaurant in Chicago and then walked away from the restaurant area.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:June 26, 2013
Last Updated:July 20, 2026
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Phone: 3127468605
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Case Information
Incident:June 26, 2013
Last Updated:July 20, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3127468605
You can remain anonymous