HIGHLANDS RANCH, Colo. (CBS4)- Detectives with the Douglas County Sheriff’s Office are asking for the public’s help in locating Debra Call Willis.

Debra Willis (credit: Douglas County Sheriff's Office)

Willis, 47, was last seen at her home in the Highlands Ranch area on May 21. Willis is believed to be on foot. It is possible Willis may be suicidal. She also has a heart condition.

Anyone with information about Willis or her whereabouts is asked to contact the Douglas County Sheriff’s Office Detective Michelle Herring at (303) 660-7504 or Douglas County Dispatch at (303) 660-7500.

Willis is 5’4″ tall, about 180 pounds with blonde hair and blue eyes.