Crime Solvers Central
Crime Solvers Central
302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP17837) and 8 other sources
In the autumn of 2003, a family's life was forever altered when Edward Sylvio Demers, a 60-year-old man, vanished from his home in Johnsburg, Illinois. On the morning of October 13th, he left his residence on Florence Drive to go for a walk, a common activity for him. Known affectionately as Ed, he was described as a white male, standing 5'10' and weighing around 180 pounds, with graying hair and brown eyes. He was originally from New Hampshire and sometimes spoke with a noticeable East Coast accent. On the day he disappeared, he was dressed in a t-shirt, khaki shorts, and black shoes. Crucially, he had left without his eyeglasses, which he needed. Edward was living with Alzheimer's disease, a condition that could affect his memory and ability to find his way back home. While he was known to take long walks in the familiar areas of Johnsburg, Fox Lake, and McHenry, he had never before become so disoriented that he could not return or ask for help.

A witness reported seeing Edward walking later that afternoon, around 4:00 PM, on Bay Road near Cuhlman Road, in the vicinity of the Pistakee Country Club. This was the last known sighting of him. Concern mounted as hours turned into days with no sign of his return. He was without a vehicle, and had no identification on his person, making the situation even more precarious. His family feared that due to his Alzheimer's, he would not be able to recall his own phone number or address to seek assistance. An intensive search was launched to find him. About a week after he went missing, bloodhounds tracked his scent to St. John the Baptist Catholic Church on West Church Street, leading to a focused search in that area. Search and rescue divers were deployed to scour the nearby Fox River, but their efforts yielded no clues as to his whereabouts.

Despite the efforts of law enforcement and his community, Edward Sylvio Demers was never found. The passage of time without any contact or evidence of his location led to a grim conclusion. In 2011, eight years after he was last seen on that fall afternoon, Edward was legally declared dead. The overview of this case is one of profound and unresolved loss. A man grappling with Alzheimer's disease went for a walk in his familiar neighborhood and simply vanished, leaving behind a family to wonder about his final moments. The lack of any physical evidence or subsequent sightings has made closure impossible, and his disappearance remains an open wound for those who knew and loved him.

Last Seen: Oct 13, 2003

Possible Unidentified Matches (10)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

84%Moderate
John Doe — Chicago, Illinois
UP129247 • Found Oct 11, 2003
View case
Sex ✓Male
Age 100%Est. 50–60 vs 60
Race 100%White
Location 90%47 mi away, same state
TimingFound same day as last seen
Height 100%5'9" vs 5'10"
Weight 100%188 lb vs 180 lb
Hair 40%Black vs Gray
Eyes 100%Brown vs Brown
84%Moderate
John Doe — Summit, Illinois - unidentified case UP8588
John Doe — Summit, Illinois
UP8588 • Found Jan 3, 2005
View case
Sex ✓Male
Age 100%Est. 55–65 vs 60 when missing
Race 100%White
Location 90%47 mi away, same state
TimingFound 15 months after last seen
Height 100%5'9" vs 5'10"
Weight 100%185 lb vs 180 lb
Hair 100%Gray vs Gray
80%Moderate
John Doe — Chicago, Illinois - unidentified case UP78041
John Doe — Chicago, Illinois
UP78041 • Found Oct 8, 2007
View case
Sex ✓Male
Age 100%Est. 55–65 vs 60 when missing
Race 100%White
Location 90%47 mi away, same state
TimingFound 4 years after last seen
Height 68%5'7" vs 5'10"
Weight 78%142 lb vs 180 lb
Hair 100%Gray vs Gray
Eyes 100%Brown vs Brown
79%Possible
John Doe — Chicago, Illinois - unidentified case UP11512
John Doe — Chicago, Illinois
UP11512 • Found May 2, 2013
View case
Sex ✓Male
Age 100%Est. 45–60 vs 60 when missing
Race 100%White
Location 90%47 mi away, same state
TimingFound 10 years after last seen
Height 100%5'11" vs 5'10"
Weight 86%149 lb vs 180 lb
Hair 40%Brown vs Gray
77%Possible
John Doe — Chicago, Illinois
UP8357 • Found Oct 8, 2006
View case
Sex ✓Male
Age 63%Est. 40–55 vs 60 when missing
Race 100%White
Location 92%41 mi away, same state
TimingFound 3 years after last seen
Height 100%5'10" vs 5'10"
Weight 98%160 lb vs 180 lb
Hair 40%Brown vs Gray
Eyes 100%Brown vs Brown
76%Possible
John Doe — Chicago, Illinois
UP13750 • Found Mar 9, 2015
View case
Sex ✓Male
Age 85%Est. 45–65 vs 60 when missing
Race 100%White
Location 90%47 mi away, same state
TimingFound 11 years after last seen
Height 68%6'1" vs 5'10"
Weight 80%216 lb vs 180 lb
Hair 100%Gray vs Gray
Eyes 100%Brown vs Brown
76%Possible
John Doe — Waukegan, Illinois - unidentified case UP163526
John Doe — Waukegan, Illinois
UP163526 • Found Apr 8, 2026
View case
Sex ✓Male
Age 100%Est. 50–65 vs 60 when missing
Race 100%White
Location 97%20 mi away, same state
TimingFound 22 years after last seen
Height 68%5'7" vs 5'10"
Weight 88%151 lb vs 180 lb
Hair 100%Gray vs Gray
Eyes 0%Blue vs Brown
75%Possible
John Doe — Lemont, Illinois - unidentified case UP54761
John Doe — Lemont, Illinois
UP54761 • Found Dec 18, 2018
View case
Sex ✓Male
Age 85%Est. 40–60 vs 60 when missing
Race 100%White
Location 89%50 mi away, same state
TimingFound 15 years after last seen
Height 84%5'8" vs 5'10"
Weight 44%118 lb vs 180 lb
Hair 70%Brown vs Gray
Eyes 100%Brown vs Brown
75%Possible
John Doe — Zion, Illinois
UP142067 • Found Apr 7, 2014
View case
Sex ✓Male
Age 85%Est. 50–70 vs 60 when missing
Race 100%White
Location 97%21 mi away, same state
TimingFound 10 years after last seen
Height 36%5'1"–5'5" vs 5'10"
Weight 100%160–170 lb vs 180 lb
Hair 100%Gray vs Gray
Eyes 100%Brown vs Brown
75%Possible
John Doe — Chicago, Illinois - unidentified case UP139323
John Doe — Chicago, Illinois
UP139323 • Found Aug 7, 2009
View case
Sex ✓Male
Age 85%Est. 60–80 vs 60 when missing
Race 100%White
Location 92%39 mi away, same state
TimingFound 6 years after last seen
Height 36%6'3" vs 5'10"
Weight 92%155 lb vs 180 lb
Hair 100%Gray vs Gray
Eyes 100%Brown vs Brown

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.