Zachary Kwak got the maximum 32 years in prison for the Colorado rock-throwing incident that killed Alexa Bartell.

Along with the first-degree murder charge ... sped up before throwing the rock, hitting around 80 mph, according to the testimonies of both Kwak and Karol-Chik during the trial.

Joseph Koenig was convicted of first-degree murder in the death of ... which cited comments from attorneys in the trial and offered background on the rock-throwing incident.

Three Denver-area teens cheered each other during a night of throwing rocks ... during the two-week trial. No one disputed that a 9-pound (4-kilogram) landscaping rock taken from a Walmart parking ...

Jurors have delivered a guilty verdict for first-degree murder for Joseph Koenig, the Colorado man accused of throwing a rock ...

Koenig, 18 years old at the time, was on trial for first-degree murder as it was claimed ... described the truck moving at 103 mph and throwing the rock that killed Bartell.

Three Denver-area teens cheered each other during a night of throwing rocks ... during the two-week trial. No one disputed that a 9-pound (4-kilogram) landscaping rock taken from a Walmart parking ...

ARVADA, Colorado (KCNC) — Jurors have delivered a guilty verdict for first-degree murder for Joseph Koenig, the Colorado man accused of throwing a rock through the windshield of Alexa Bartell ...