Jefferson County Sheriff’s investigators have arrested 18-year-olds Joseph Koenig, Nicholas “Mitch” Karol-Chik and Zachary Kwak in the rock-throwing death of 20-year-old Alexa Bartell.
Authorities said they had detained three Colorado teens on suspicion of killing a woman by throwing a landscaping rock at her as she drove outside Denver.
DENVER Jefferson County sheriff s investigators, relying on cellphone tracking, identified and arrested three 18-year-old high school friends from Arvada in the rock-throwing death of 20-year-old Alexa Bartell.