More charges filed against teens accused in rock-throwing spree

New charges were added against the three men accused of hurling large rocks at cars west of Denver last month, killing a 20-year-old woman, including attempted first-degree murder, assault and attempted assault.

Joseph Koenig, Nicholas “Mitch” Karol-Chik and Zachary Kwak, all 18, now each face 13 charges, including first-degree murder, in the rock-throwing spree April 19, court records show. The three men are accused of throwing large landscaping rocks at cars, one which smashed through Alexa Bartell’s window, striking her in the head and killing her.