GRAND FORKS, N.D. (KFGO-AM) Three years ago, Florence Dumontet left her Ardoch, North Dakota home to visit family in Washington State but disappeared. Her last known sighting was in Missoula, Montana the next day, Ocotber 17, 2011. Her truck never passed through an automated license plate reader at the Idaho-Washington line nor has any trace been found of her rare, Lincoln Mark pickup or her pet dog.
Lead investigator, Grand Forks County Sheriff's Detective Dan Hillebrand says the investigation remains active but leads are not. He recently traveled to Montana in an attempt to renew awareness in the case. While there, a gas station employee who reported seeing Dumontet passed a polygraph test. He believes the sighting is credible.
Hillebrand also distributed reward posters in the Missoula-Butte area's. The reward amount, now being offered by Dumontet's family is being kept confidential.The poster asks anyone with information to contact the Sheriff's Department in Grand Forks.