(WXYZ) - Police say they've ruled out several family members, friends and acquaintances in connection with the disappearance of Jessica Heeringa.
They've also released surveillance video, which 7 Action News is working to get.
A vigil is planned for 6 p.m. Tuesday.
Twenty-five-year-old Herringa went missing late Friday night when she was working at an Exxon gas station in Norton Shores near Muskegon.
Police believe she may have been kidnapped because her purse and car keys were left behind. No money was missing from the cash register.
A witness reported seeing a man in a gray minivan and what looked like a struggle.
Herringa's fiance is making a plea to whoever may have taken her, "Whoever took her, you can always bring her back. Just because you did bad doesn't mean you can't do right."
Police are now working on a sketch of the possible suspect.