pick up caylee or i'm going to take you to the police station and someone else is going to help me pick up caylee. >> casey confesses to cindy that she hasn't seen caylee in a month and says a baby-sitter cindy has nevered me named zenaida has kidnapped the toddler. cindy calls 911. >> i have a possible missing child. a 3-year-old that has been missing for a month. >> a 3-year-old? have you reported that? >> i'm trying to do that now, ma'am. >> cindy reports caylee's disappearance, and something else. >> there is something wrong. i saw my daughter's car today, and it smells like there has been a dead body in the damn car. >> investigators get to work. first they look for the baby-sitter casey says took caylee. but the details and locations casey gives them don't check out. the police believe that the story is a lie. the baby-sitter doesn't exist. >> casey and the truth have a problem. you know, everything she said almost is a complete lie. or it's not checking out.