Justin Zatkoff is a student in Detroit, Michigan,.
He was a student at Oakland University and Executive Director of the Michigan Federation of College Republicans when, in 2006, he was assaulted while visiting Ann Arbor.
In 2012, Zatkoff sent DMCA "take-down" notices to a number of weblogs that had published photographs of the incident, including Mark Maynard's eponymous site MarkMaynard.com. This caused that site to be offline for a few days.
According to Google Transparency Report, Zatkoff or someone acting on his behalf has at least twice requested that Google de-index pages under claimed violations of his copyrighted material.
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