Multiple 18-year-olds arrested in deadly rock-throwing crime spree

JEFFERSON COUNTY, Colo. (KDVR) — Three 18-year-olds have been arrested in connection to the rock-throwing crime spree in Jefferson and Boulder County that killed a 20-year-old woman.

The Jefferson County Sheriff's Office has announced the arrest of three suspects in a case that has grabbed the attention of many in the metro area.

Overnight Tuesday into Wednesday morning, JCSO said they arrested Joseph Koenig, Nicholas “Mitch” Karol-Chik, and Zachary Kwak. The three men are all 18 years old and were taken into custody at their homes in Arvada.

All three are suspected of throwing rocks, and all are facing charges of first-degree murder - extreme indifference. Additional charges are expected to be filed at a later date.

JCSO said it is unclear w...