>> reporter: so cory byrd stays home -- says the mother. she knew he stayed home. >> how did i know he hadn't already been beaten? they did see him, correct? at the bodega, correct? >> reporter: exactly. at 10:00. there's video surveillance. both were in a great mood. yeah. what cory byrd tells christina bookal, the mother, that he was watching television and marc wanted to go see his aunt who lives right literally next door just a few yards away. he said, wait for me and i will take you over there to your aunt's, the next thing you know, he looked up, got caught up in a television program, looked up, the back door was open and marc was gone and this was 1:00 and he called the police. >> it was 46 degrees outside, he let the boy just go outside to walk to the aunt's? >> reporter: that's what it looks like. >> he got caught up in a tv show at 1:00. what would that have been? what tv show is so important? soap opera? he couldn't watch the boy? >> reporter: well, the way that the house is set up, nancy, it's a two-story house. you walk in thro

. >> cory byrd claims the 4-year-old wandered away from the house. earlier the two were seen on surveillance video at a nearby bodega. >> this area is approximately one quarter of a mile away from where mark went missing. >> sources say the body of the little 4-year-old was purposely concealed in a duffel bag. >> nobody deserved to take him from me. >> the story does have some holes. earlier this year mark bookal suffered burns to his hands which his morgther claims was a accident. >> he does have an extensive criminal background and part of the background does include violence. >> the department of corrections says byrd has served time for an incident that caused serious injury to a child. >> why do you believe he has nothing to do with the disappearance of this 4-year-old baby boy? >>> and tonight, a grandmother sells, repeat, sells her 10-year-old granddaughter for cocaine. one word. sick. slam the jail door shut. and don't forget, throw away the key. >>> police arrest a michigan grandmother for allegedly allowing a 67-year-old man to have sex wit