UPDATE (4/14, 2:35 p.m.) : Omaha PD officials said Tuesday that Theis was found and is safe back home.
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The Omaha Police Department is requesting the publics' help locating a missing vulnerable adult who suffers from dementia.
They say 86-year-old Francis Theis was last seen driving a 2005 Grey Buick LeSabre with Nebraska plates SDX826 at 12:40 p.m. on April 3.
Police say Theis was last known to be going to the area of 90th and Dodge.
Police ask anyone who sees him or his vehicle to call 911.