jean, the plummer, the plummer? rosy the plummer is back and she's down there in the washroom at yale's university -- yale university's research building and she, the plummer, finds evidence in a murder case? what happened to the police? >> reporter: well, it sounds like they had to have a plummer go to that lab room. that's right, nancy, the investigation continues in new haven. new haven police were back at the lab building. and a plum her to go in with them and including forensic technicians to find what they are not saying on the record as evidence, but employees at the lab building are telling the new haven register that it may be medical scrubs that were found shoved down and inside a drain in the wash basin area. >> well, jean casarez, i can guarantee you this, it's not just medical scrubs. those scrubs have got to have something on them, something incriminating on them. because why else would someone shove them down a drain? >> reporter: definitely. and, nancy, can medical scrubs even be shoved down a drain?

henry plummer, that unified paper record had all the records of the patients. that was our way to distribute information that is converted to an electronic record for the last 17 to 18 years. but the concept is the same. we surround everybody who is working for those patients with the information that they need to have when they need to have it wherever the patient goes. so, when you look at that, we have a learning organization that everybody is learning from each other and working together surrounded by that information. now, let's take that general observation -- one other point. mayo clinic is physician run and directed. when you look at other organizations in the country and other regions of the country, other cities in the country that also get outstanding outcomes and in several cases better than we do and at lower costs will are some common characteristics. the common characteristics are, in my observation, they tend to be more physician run, physician involvement. two, there is a culture of focusing on the patients. there is a strong belief that by foc