Sarah
More than 50 million Americans visit the website Craigslist every month looking for everything from lawn furniture to concert tickets to companionship. But not all of the connections have a happy ending.

Sarah says she had never been on Craigslist until last December, when she saw pictures of herself featured in a classified ad. "The caption read: 'Need an aggressive man with no concern or regard for women. If interested, contact Sarah,'" she says. "When I saw the ad for the first time, I was terrified."

After learning of the ad, Sarah says she called the police but was told there was nothing they could do. Instead, they suggested she call Craigslist directly and ask them to take the ad down. Craigslist removed the ad immediately, but it was too late.