Colorado man who says he was ‘almost a school shooter’ talks to WGN

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Since the shooting that killed 17 people at Marjory Stoneman Douglas High School, much has been discussed about gun control, mental health and what drives someone to commit such a horrible crime.

Shortly after that shooting, a man from Colorado wrote a letter to a TV station in Denver -- saying "I was almost a school shooter."

In the letter, Aaron Stark said, "I didn't carry out anything, I didn't hurt anyone. But in 1996, I almost did the worst possible thing."

The letter has gotten a lot of attention in recent weeks.

Stark joined WGN Morning News Monday to talk about his letter, and what led him to "almost" become a school shooter.

Watch the interview in the player above