Alexis Haller fights online after a website was set up in the name of his nephew, Noah Posner, who died in the Sandy Hook shooting.
Haller tells Anderson he's spent so much time hunting down these fake sites, that "...instead of doing things with our family, I am running around trying to protect the family."
Go here if you'd like to donate to a fund that will provide counseling and other services for Noah's twin and three other siblings: noahpozner.org
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