It's happening more often, anonymous people on the Internet defacing Twitter accounts and sending nasty messages on Facebook.
Problem Solver Rob Wolchek exposes a guy who not only admits to being an Internet bully, he's proud of it, at least when he's hiding behind his mask.
The guy posts videos behind a mask, he electronically alters his voice, and people from coast to coast claim he's stalked them.
The mysterious man calls himself "eBay is a joke", a self-described prankster out to destroy his enemies. His targets are the people who make their living by selling things on the Internet, and he's freaked out a lot of people.
Watch Rob stick a mike in his unmasked mug in this Hall of Shame Investigation.
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