working to get police departments to change the holster configuration, separating the taser from the handgun. randi kaye, cnn, new york. >> as we say, not everyone buys into the slips and capture theory. joining us now, bill lewinski. he testified at the baath.a.r.t. trial and has been retained in this case. back with us also is criminal defense attorney mark geragos. phil let me start with you. we had you on the program last night. you said this whole idea of slips and capture is junk science. explain. >> well it is junk science. it's not accepted in most courts in terms of expert testimony. there's no testable theory. it's not been subject to peer review. we don't know the error rate and it's not generally accepted by the scientific community. that being said i do think there's a place for this type of psychology and that would be if it helps us to learn, if it helps us to learn what happened