. >> coming up, joshua bean faces new troubles following a shakedown. >> you are presenting positives mother talks about the brutality of her daughter's murder. >> i have nightmares of heather's last moments were calling out for me to help her. but to be honest, i find the omega choices overwhelming. which one is right for me? then i found new pronutrients omega-3. it's from centrum, a name i trust. it goes beyond my heart to support my brain and eyes too. and these ultra-concentrated minigels are much smaller than many others. it's part of a whole new line of supplements. there's probiotic and fruit & veggie too. new pronutrients from centrum helps make nutrition possible. so i used my citi thank you card to pick up some accessories. a new belt. some nylons. and what girl wouldn't need new shoes? we talked about getting a diamond. ♪ ...i flew us tthe rock i really had in mind. ♪ [ male announcer ] the citi thank you card. earn points you can use for travel on any airline, with no blackout dates. >>> here's what's happening. president obama arrived in hawaii to begin his vacation. be

>> of course. >> over in the protective custody unit joshua bean has received word on his ongoing investigationositive for methamphetamine during a recent shake down bean requested an outside lab do its own test. the results came back negative backing up bean's claims. i take wellbutrin. that pretty much means you test positive for methamphetamine. that's what i figured it would be from the beginning. i knew i wasn't doing anything. >> open your mouth. >> although the drug creates problems when he is tested, according to bean it has become his lifeline. he says he needs the medication to cope with the anxiety and stress of being incarcerated for murder of his girlfriend. >> and you know just when i think i have a grip on it, these wounds are scar tissue, i thought was healed just opens back up all over again. and you know i'm -- sometimes partially in tears, sometimes i just want to hit the off switch when i don't have one. there's no on and off to a lot of this stuff. it happens when it happens and i just got to deal with it. >> on the eve of his 30th birthday bean's cell mate dustin trowbridg