Three Colorado teens accused of killing 20-year-old Alexa Bartell by throwing a landscaping rock at her car returned to take photos of the crime scene "as a memento," according to local authorities ...

After the attack, Koenig, Kwak and Karol-Chick, who were 18 at the time, allegedly returned to take photos of the crime scene "as a memento," according to court documents obtained by NBC News.

Three Colorado teenagers charged with murder in a series of rock attacks on vehicles that left 20-year-old Alex Bartell dead allegedly took photos of the victim's damaged car.

PHOTOS: If you had to leave your home and take only 1 thing, what would it be? : Goats and Soda We asked refugees around the world to tell us of a memento they brought to connect them to their old ...

3 Teens Killed Woman by Hurling Large Rock at Car, Then Snapped 'Memento' Photo. Now They're All Convicted Joseph Koenig, 20, was found guilty of first-degree murder in the death of 20-year-old ...