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Colorado Teen Convicted in Deadly Rock-Throwing Incident That Killed Young Woman</Title </p>
<p>In a tragic and deeply unsettling case, <b>Joseph Koenig</b>, a 20-year-old from Colorado, has been convicted of first-degree murder in the death of <b>Alexa Bartell</b>. The fatal incident occurred on April 19, 2023, when a large landscaping rock, thrown from a vehicle, smashed through Bartell’s windshield, killing her instantly. Koenig was also found guilty of attempted murder and other charges related to a series of rock-throwing attacks targeting vehicles in the weeks leading to the tragedy. </p>
<p>Two other teenagers, <b>Zachary Kwak</b> and <b>Nicholas Karol-Chik</b>, who were with Koenig on the night of the incident, had previously reached plea agreements with prosecutors and testified against Koenig. Despite their cooperation, both Kwak and Karot-Chik initially attempted to shift blame for the fatal throw, leading to conflicting accounts during the trial. </p>
<p>Karol-Chik admitted to throwing nearly ten rocks that night, including the one that killed Bartell, while Kwak claimed he did not throw any. However, forensic evidence and witness testimonies, including a photo taken by Kwak of Bartell’s car as a “memento,” played a pivotal role in the jury’s decision. Chief Deputy District Attorney <b>Katharine Decker</b> argued that the damage to Bartell’s car was consistent with Koenig’s account of the events, despite the lack of his DNA on the rock. </p>
<p>The case took a grim turn when it was revealed that the trio circled back to the scene multiple times after the fatal incident but failed to seek help or report the accident. Bartell’s body was discovered hours later by her girlfriend, <b>Jenna Griggs</b>, who traced her location after their phone call was abruptly cut off. </p>
<p>When handed their plea deals, Kwak and Karol-Chik both accepted accountability for their roles in the crime. Kwak faces 20 to 32 years in prison, while Karol-Chik could serve between 35 and 72 years. Koenig, who was described by Karos-Chik as being in a celebratory state after the incident, will be sentenced on June 3 and faces a mandatory life term for first-degree murder. </p>
<p>The Bartell family expressed deep sorrow over the loss of Alexa, with her mother, <b>Kelly Bartell</b>, stating that while justice was served, the tragedy had profoundly impacted everyone involved. </p>
<p>Source: Local court records and testimonies from the trial.</p>
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