CNN CNN Newsroom July 2, 2013 19:50:00
Generally what people say out of court, what zimmerman told to his friend, generally thats considered to be hearsay and its generally unreliable and doesnt come into evidence, but theres an exception to that hearsay rule called an admission. thats a word or an act thats how the prosecution is able to get these statements that zimmerman gave to his friend into evidence. its conflicting, it looks bad for zimmerman, it affects his credibility and so its quite understandable why he would be sweating...
Source: archive.org