Northern Michigan University cold case course instructor Christopher MacMaster hands a Michigan State Police challenge coin to Holly Letson, granddaughter of Helen Dymond; the subject of the current cold case program. Letson was able to meet with students last week to share context and familial connections to students working on her grandmother’s cold case. (Antonio Anderson/Mining Journal)

Holly Letson, granddaughter of Helen Dymond speaks to Northern Michigan University cold case students on family history and the area of National Mine. Dymond went missing in 1981 on County Road 496 while walking from the then-Tilden Township Hall. (Antonio Anderson/Mining Journal)

Helen Dymond (Photo courtesy of the Dymond family)

Northern Michigan University cold case course instructor Christopher M

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