this saturday marks three years since the verdict that stunned america -- casey anthony found not guilty of murdering her two-year-old daughter caylee. a lot of people still can't wrap their minds around what happened to that beautiful little girl. exposed in court, anthony's web of lies. the young mother shown partying at a time she claims she knew her daughter was dead and the state's compelling case that she intended to kill the toddler but beyond the outrage is the tragic loss of that little girl. july also marks the sixth anniversary of the day caylee was first reported missing. if caylee were alive today she would be eight years old. she'd be enjoying her summer break from school and likely preparing to enter the fourth grade. now, in a cnn exclusive, we're learning what life has been like