for more than an hour police have been asking questions about his younger sister kaylee.and his mother say they found her that morning tied up with the dog's leash and measuring tape and suffocated with two walmart shopping bags over her head. what thomas doesn't realize is that on the other side of the interrogation room walls his paternal grandfather steve harris has come to assist him. >> i said i'd like to see my grandson. and they said, well, we're interrogating him. and i said, does he have a lawyer or a child advocate? they said no. and the strangest thing they said was, since 9/11 that's all changed. >> officers point out that thomas' mother melody jones is also in the building and has given them permission to interview the boy. >> i said she's bipolar, she has just lost her daughter, she's in a destroyed state. she's not competent enough to help him or help herself. and they said, as long as she says we can talk to thomas, that's all we need. >> i just wanted, for the record, that you did allow us to talk to thomas. is that correct? >> yes. >> melody jones declin