CNN’s Josh Campbell reports on the history the Highland Park shooting suspect had with police and his troubling social media …
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Investigation: This is what suspect posted online before the shooting
![Investigation: This is what suspect posted online before the shooting Investigation: This is what suspect posted online before the shooting](https://i0.wp.com/i.ytimg.com/vi/XyskIAKohj0/maxresdefault.jpg?fit=732%2C9999&ssl=1)
CNN’s Josh Campbell reports on the history the Highland Park shooting suspect had with police and his troubling social media …
source