Karl Pierson, the 18-year-old who opened fire on a high school in Colorado "held strong political beliefs" according to his classmates.
After opening fire at Denver's Arapahoe High School in what the local county sheriff said was most likely a "revenge attack" on a teacher, the teenager fatally shot himself.
A 15-year-old girl was seriously injured in the attack, and two other students were wounded, but have since been released from hospital.
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A six-year-old boy was shot in the stomach by his brother, aged five, in the third child shooting in just four days in Texas.
Social media users have been sharing their amended versions of the incredible pictures.
Showers will make their way from west to east this afternoon, moving quickly and not lasting too long.