to sheryl mccollum, crime analyst, director of the cold case squad, pinelake pd. you know it's possible padilla's theory, tot mom talks behind bars and it gets back to kronk. >> sure, he visited the place four times. he made several calls. he found the body more than once. nancy, he did not report the child missing for 30 days. he didn't lie about his job. he didn't lie about the nanny. he didn't drive around -- >> sheryl mccollum, do you think the killer would be calling police about the location of the body? that doesn't make sense. >> no, it doesn't make sense. that's what i'm saying. she's the one that lied about the job, the nancy, riding around with decomp in her car. everything points to her. >> i truly, truly love that little girl and miss her so much. i want to hear caylee laugh. i want to be with my baby. >> i've never seen her be a bad mom. she loves her daughter. >>> i just want to let everyone know that i'm sorry for what i did. >> i still believe my daughter. >> i believe in my daughter. >> you're not telling me where she's at. >> because i don't [ b