maybe she was overtired or disoriented. plus accidental asphyxiation is not unheard of.a case of a young boy working out on very similar the equipment, he suffocated, an accidental death. >> that's bizarre. that's strange. >> and in that iowa case, the safety stops had not been secured in place, just as they hadn't on the pattinson machine. the defense moved on. it would call its own expert witness, a medical examiner from kentucky named dr. greg davis to give a counter explanation for that minute bruising with the funny name, the petechiae. >> you thought maybe it wasn't petechiae at all? >> that's correct. >> after reviewing the autopsy photos, dr. davis concluded they weren't petechiae caused by one straddling lisa when she died but rather bruises that occur naturally when blood pools after death. >> they're caused by a different mechanism. >> and the same witness offered a different picture of the murder scenario. had scott pattinson indeed been on top of lisa pressing that bar down onto her throat, dr. davis said he would have expected to see more significant damage

gerri: are you overstressed, overtired, overworked, overscheduled? is it ♪ ♪ what is this place?re we? this is where we bring together the fastest internet and the best in entertainment. we call it the x1 entertainment operating system. it looks like the future! he has a phaser! it's not a phaser! it's my phone! he can use his voice to control the tv. you can use your woice? my voice. your woice. my voice. "vuh," voice. his voice. your woice? look. watch sci-fi. [ female announcer ] the x1 entertainment operating system only from xfinity. gerri: just say no! i'm not talking about drugs tonight. we're talking about that endless to-do list. so how do you say no? that is our how do you do that this evening. joining me the ceo of and founder equalibrium.comm this is online stress management app, i have to tell you i'm so glad you're here tonight. i'm getting some relief because it is friday. but we all feel the stress build. you make this very interesting point i think is absolutely true. you can make you describe this. you say it is fashionable to be busy. >> gerri busy is the new b

gerri: are you overstressed, overtired, overworked, overscheduled? is it gerri: just say no!ot talking about drugs tonight. we're talking about that endless to-do list. so how do you say no? that is our how do you do that this evening. joining me the ceo of and founder equalibrium.comm this is online stress management app, i have to tell you i'm so glad you're here tonight. i'm getting some relief because it is friday. but we all feel the stress build. you make this very interesting point i think is absolutely true. you can make you describe this. you say it is fashionable to be busy. >> gerri, busy is the new black. everyone wants it. everyone looks good in it but really how much is it doing for us once we put that on? gerri: you have to be able to say no at some point, know your limits and stop competing with everybody in the room. is that what you think? >> that's right. i think so. you have to find your internal measures. when you get to the point where you're equating ambition and success with doing, with being busy and going non-stop, you have to really rethink and look

gerri: are you overstressed, overtired, overworked, overscheduled? is it friday? to dial it back when we come back. the performance review. that corporate trial by fire when every slacker gets his due. and yet, there's someone around the office who hasn't had a performance review in a while. someone whose poor performance is slowing down the entire organization. i'm looking at you phone company dsl. check your speed. see how fast your internet can be. switch now and add voice and tv for $34.90. comcast business built for business. gerri: just say no! i'm not talking about drugs tonight. we're talking about that endless to-do list. so how do you say no? that is our how do you do that this evening. joining me the ceo of and founder equalibrium.comm this is online stress management app, i have to tell you i'm so glad you're here tonight. i'm getting some relief because it is friday. but we all feel the stress build. you make this very interesting point i think is absolutely true. you can make you describe this. you say it is fashionable to be busy. >> gerri, busy is