Police and family members of Lisa Herbert are tirelessly searching for the Northern Michigan woman who went missing on Monday. (5/9)

Detective Sergeant Dan Oelfke of the Hillman police department tells 9&10 News that Herbert simply disappeared without a trace.

"At this time there could be a number of things that could be going on. Right now, we are just trying to figure out what that might be and limiting it down to at least fewer possibilities than it is right now."

Herbert was last seen wearing a green hoodie, jeans and white tennis shoes. If you have any information about her whereabouts, call 911.
Northern Michigan's News Leader