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Unformatted text preview: would be understood by an average citizen. • A lay witness can’t give medical testimony. Expert witness is there to give factual evidence on something that they study or have a degree in the matter. They are there to verify that something would be possible to happen. • Expert witnesses may base their opinions on three types of information: o Facts or data in which they have personal knowledge about. o Material presented at trial o Secondhand information given to the expert outside the courtroom....
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This note was uploaded on 03/20/2011 for the course CJS 110 taught by Professor Ogolin,william during the Spring '11 term at Bradley.
- Spring '11