An undercover investigation shows Craigslist is not protecting children from online predators, reports the Detroit News. In a Feb. 26 letter to the web site’s CEO, Michigan Attorney General Mike Cox said that when investigators posing as children, parents, and teachers wrote to Craigslist complaining about suspected child predators encountered on the web site, their eMails were either ignored or received only an automated response. "This is unacceptable," Cox wrote to Craigslist CEO Jim Buckmaster, requesting that Craigslist forward all such complaints to law enforcement. Cox said Craigslist, which features online classified and personal ads, also has ignored repeated requests to provide a link to his office on the web site’s law-enforcement contacts page. "During the past two years, my office has arrested seven predators who used Craigslist to meet or solicit a child for sex," Cox wrote Buckmaster. "All of these cases, which in Michigan are 20-year felonies, arise from our agents posing as minor boys in your ‘men-seeking-men’ personals section…"