reporter: the prosecution jumped on a key question that the defense expert couldn t answer. you re not testifying as to who started what led up to the death of sflaim that s correct, sir. and you re not saying who attacked who, whether it was george zimmerman who attacked trayvon martin or whether it was trayvon martin who attacked george zimmerman, you can t say? that s correct, sir. in fact, you can t testify as to who threw the first punch. that s correct, sir. and you can t say whether it was trayvon martin defending himself or george zimmerman defending himself in terms of when this first started. when it first started, that s correct, sir. reporter: the prosecutor got the witness to admit the defense was paying demayo $400 an hour for his expertise. but demayo said the case didn t require a lot of his time. up to yesterday, $2400. this is not exactly a complicated case.
over the person doing the shooting, and that the clothing is 2 to 4 inches away from the person firing. reporter: di maio countered the medical examiner s testimony for the prosecution who said martin could have survived and suffered up to ten minutes after she was shot. di maio said shot in the heart, martin would have been unconscious in 10 to 15 seconds. he s going to be dead within 1 to 3 minutes after being shot in this case. reporter: finally, demayo testified that zimmerman s injuries fit his account saying his review of photographs indicated zimmerman s head suffered at least six impacts against a hard surface. is this insjury consistent with mr. zimmerman s head having impacted a sidewalk? yes, sir. reporter: the prosecution jumped on a key question that the defense expert couldn t
reporter: he also countered the medical examiner s testimony for the prosecution who said martin could have survived and suffered up to ten minutes. he s going to be dead within one to three minutes after being shot in this case. reporter: finally, he testified that zimmerman s injuries fit his account, saying his review of photographs taken that night indicated zimmerman s head suffered at least six impacts. is this injury consistent with mr. zimmerman s head having impacted a sidewalk? yes. reporter: the prosecution jumped on a key question that the defense expert couldn t answer. you re not testifying as to who started what led up to the death of trayvon martin? that s correct, sir. and you re not saying who attacked who, whether it was george zimmerman who attacked
is this injury consistent with mr. zimmerman s head having impacted a sidewalk? yes. reporter: the prosecution jumped on a key question that the defense expert couldn t answer. you re not testifying here as to who started what led up to the death of trayvon martin? that s correct, sir. and you re not saying as to who attacked who, whether it was george zimmerman who attacked trayvon martin or whether it was trayvon martin who attacked george zimmerman, you can t say, correct? that s correct, sir. in fact, you can t testify as to who threw the first punch. that s correct, sir. and you can t say whether it was trayvon martin defending himself or george zimmerman defending himself in terms of when this first started. when it first started, that s correct, sir. reporter: the prosecutor got the witness to admit the defense was paying demayo $400 an hour for his expertise.
the shooting and that the clothing is two to four inches away from the person firing. reporter: he also countered the medical examiner s testimony from the prosecution who said martin could have survived and suffered up to ten minutes. after he was shot. di maio said shot in the heart, martin would have unconscious in 10 to 15 seconds. he s going to be dead within one to three minutes after being shot in this case. reporter: finally, di maio testified that zimmerman s injuries indicate his head suffered at least six impacts against a hard surface. is this injury consistent with mr. zimmerman s head having impacted a sidewalk? yes. reporter: the prosecution jumped on a key question that the defense expert couldn t answer. you re not testifying here as to who started what led up to the death of trayvon martin? that s correct, sir.