Expert: Shooters Often Talk Before Attack

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Were there signs that the suspect was planning a deadly shooting spree at Chardon High School?

Investigators are searching for answers, but experts on teen killers say there are always signs, they're just sometimes overlooked.

Akron-area native Phil Chalmers has spent the last 25 years researching and writing about teen killers, including all of the most notorious school shooters.

He said there is a lot to learn about the suspect in Chardon, but almost certainly there were warning signs leading up to Monday morning's tragic events.

Chalmers said the killers almost always tell people what they are planning.

If they don't say it out loud, they may post it on social media sites or continually draw or write about it.