David Niffenegger

Kaycee Man Dead, Another Man Injured in WYO 196 Accident
One man is dead and another man is injured after a one-vehicle rollover accident seven miles north of Kaycee in Johnson County.
Wyoming Highway Patrol investigators say 23-year-old David Niffenegger and 26-year-old Michael Mondeau, both of Kaycee, were moving northbound on Wyoming Highway 196 on Sund…