LYTTON — Authorities are urgently searching for an 84-year-old Northern Iowa man last seen Monday morning, prompting the Iowa Department of Public Safety to issue an Endangered Person Advisory and ask the public for help locating him.
Larry Williams, 84, was last seen at approximately 9:30 a.m. Monday, October 19, 2026, near Railway Street in Lytton, a small community in Sac County.
The Iowa Division of Criminal Investigation issued the advisory on behalf of the Sac County Sheriff’s Office. Anyone who sees Williams or knows where he may be is urged to call 911 immediately.
Missing man may be traveling in black Toyota Prius
The official Iowa advisory lists a black Toyota Prius with Iowa license plate SF691 as a vehicle associated with Williams.
According to a separate South Dakota endangered missing advisory reported by regional media, Williams told his wife he was headed toward the Black Hills on Monday morning. His wife expressed concern that he could be confused or disoriented.
Authorities have not confirmed his current location or whether he reached South Dakota.
Description of missing 84-year-old Larry Williams
Williams is described as 5 feet 5 inches tall, weighing approximately 180 pounds, with thinning white hair and green eyes. He was last seen wearing blue jeans and a light jacket of unknown color. The advisory says he has no tattoos or visible scars.
Last seen: Near Railway Street, Lytton, Iowa, at 9:30 a.m. Monday, October 19.
Vehicle: Black Toyota Prius, Iowa license plate SF691.
DCI and Sac County Sheriff’s Office seek public’s help
The Iowa Division of Criminal Investigation activated the Endangered Person Advisory on behalf of the Sac County Sheriff’s Office.
Officials have not released a detailed explanation of the circumstances of Williams’ disappearance. The official Iowa Department of Public Safety advisory asks anyone with information to call 911.
IF YOU SEE LARRY WILLIAMS OR THE BLACK TOYOTA PRIUS WITH IOWA PLATE SF691, CALL 911 IMMEDIATELY.