A West Michigan Police Chief has released a sketch of a man wanted for questioning in the disappearance of a 25-year-old gas station clerk.

According to Fox News, authorities are searching for a gray minivan and its driver who is described as a white male, between 30 and 40 years old, and about six feet tall with wavy light brown hair.

Jessica Heeringa has been missing since last Friday. She was working at an Exxon Mobile gas station in Norton Shores and was seen as late as 10:30 p.m. but was reported missing when a customer arrived to find no one around 11 p.m. that evening. Police believe she was abducted.

Relatives, friends and others have been interviewed regarding Heeringa's disappearance. Searches have also been organized.

Heeringa is described as five-foot-one and 110 pounds. Anyone with information on her whereabouts is asked to contact the Silent Observer.