since 2008 craigslist agreed to report suspicious ads to the center for missing and exploited children which works with police to find and rescue trafficking victims. two years and hundreds and thousands of gutsy ads later, the center says craigslist has reported fewer than 100. >> amber, if i understand this correctly, when you did this, when you investigated in this way, craigslist's response was somehow the problem was you. >> reporter: yeah, that's right, tom. kill the messenger philosophy. they tried to shift the focus from the real issue to me and came out trying to slam my ethics and cnn's ethics. tom, i always say you can call me whatever name you want but please don't question my ethics as a journalist. so i want to show you something craig newmark wrote. he wrote this op-ed, amber's ambu ambush. it was not an ambush. and he also says that we