The group crossed paths with a mountain biker and Traphagen got into an argument with the biker over who had the right of way.
The argument turned physical and Traphagen claimed he stabbed the biker in self defense.
- A Maine Man Said He Was Threatened With a Baseball Bat. So, He Shot Dead His Ex-Friend and Nearly Severed Another Victim’s Hands.
- His Step-Grandfather Asked Him To Move Out. So, He Grabbed An Ax And Murdered The 87-Year-Old Victim.
- He Fatally Shot His Stepfather After A Dispute. Then He Ran Over Him With A Car.
Never miss a story — sign up for the Front Page Detectives newsletter. Be on the scene the moment news breaks.
However, a video of the incident shot by one of his companions prompted prosecutors to file charges against him, according to KGMI.
The mountain biker was taken to a nearby hospital because of the severity of his wounds.
Become a Front Page Detective
Sign up to receive breaking
Front Page Detectives
news and exclusive investigations.