The Lake County Sheriff’s Office is actively searching for Aaron S. Hallstrom, a 45-year-old man reported missing from the 25200 block of West Greenview Avenue in unincorporated Antioch, Illinois.
Aaron was last seen around noon on Sunday, July 5, 2026, walking west along Greenview Avenue. Authorities say he later made contact with a family member by phone around 8:00 p.m. that evening, but his exact location at that time remains unknown. Since then, he has not been seen or heard from, and his phone is no longer operational.
Search efforts have included the use of drones and trained canines, but so far, deputies have been unable to locate him.
Aaron is described as:
- 6 feet 1 inch tall
- Approximately 215 pounds
- Brown hair and blue eyes
Officials say it is currently unknown what he was wearing when he left.
Anyone with information about Aaron’s whereabouts is urged to contact detectives at 847-377-4000. If you see him, please call 911 immediately so authorities can check on his well-being.
Authorities continue to ask the public to remain alert and report any possible sightings as the search remains ongoing.
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