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254 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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On a hot summer day in Mason City, Iowa, the life of 6-year-old Amber Duncan, a Caucasian female, was tragically cut short on July 24, 1993. Amber, her 10-year-old sister Kandace, their mother Lori Ann Duncan, and Lori's boyfriend, Greg Nicholson, were all murdered in a brutal act of witness elimination.

The perpetrators of this horrific crime were Dustin Lee Honken, a significant methamphetamine producer, and his girlfriend, Angela Jane Johnson. Honken was facing federal drug trafficking ...Read More

Victim Details

Amber Duncan

Female

White / Caucasian

Mason City

IA

1993-07-24

6

Amber

Duncan

05/31/2026