where they alter a person's perception and aggressive tendencies. >> but no official reports, these are anecdotal stories? >> that's correct. we may have more substantive evidence about that in september in the penalty phase. >> all right. john henry brown, we hope you'll come back and talk to us more about this case. >> it's a pleasure. thank you very much. still to come, ariel castro allegedly held three women captive for more than a decade. what was the cleveland house where they were held like? plus, an american woman being held in a jail in mexico has new hope tonight. a videotape. we'll tell you more about that. in tonight's shoutout, follow that bird. i have low testosterone. there, i said it.