Answer the following statement(s) true (T) or false (F)

1.The results of a polygraph test are admissible in a trial as long as the administrator of the polygraph test qualifies as a witness and will take the witness stand to introduce the results into evidence.
2.Under common law, expert opinion on the ultimate issue in the case was permitted.
3.An expert witness can testify as to whether, in his or her opinion, the defendant was insane at the time the defendant committed the murder.
4.Expert witness Bob can offer his opinion testimony based on his actual perceptions.
5.A trial court is prohibited from calling an expert witness to testify at a trial.


1.false
2.false
3.false
4.true
5.false

Criminal Justice

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a. True b. False Indicate whether the statement is true or false

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