Chief Griggs says his department is "aggressively" following leads.
"Everything is valuable at this point. Any information is helpful. Our job is when we get information and tips, we're going to look at those, analyze those and see what could be correct or immaculate. But it's very important. It's imperative that if there's any information to be told, that we know about it, that we're contacted directly."
The vehicle they were occupying is possibly a dark, newer Hyundai Tuscon with temporary license tags.
Anyone with any information on the identities of the women is asked to contact the Miner Police Department, East Prairie Police Department or the Union County Sheriff's Office.