Episode #58 The "Expert Witness"

Rule 702. Testimony by Expert Witnesses

A witness who is qualified as an expert by knowledge, skill, experience, training, or education may testify in the form of an opinion or otherwise if:

(a) the expert’s scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence or to determine a fact in issue;

(b) the testimony is based on sufficient facts or data;

(c) the testimony is the product of reliable principles and methods; and

(d) the expert has reliably applied the principles and methods to the facts of the case.

Notes

(Pub. L. 93–595, §1, Jan. 2, 1975, 88 Stat. 1937; Apr. 17, 2000, eff. Dec. 1, 2000; Apr. 26, 2011, eff. Dec. 1, 2011.)

Read all at:

https://www.law.cornell.edu/rules/fre/rule_702

Testimony

https://www.merriam-webster.com/dictionary/testimony

Firsthand

https://www.merriam-webster.com/dictionary/firsthand

Experience

https://www.merriam-webster.com/dictionary/experience

Specialized

https://www.merriam-webster.com/dictionary/specialized

Specialization

1: characterized by or exhibiting biological specialization
especially : highly differentiated especially in a particular direction or for a particular end 

2: designed, trained, or fitted for one particular purpose or occupation

https://www.merriam-webster.com/dictionary/specialization

Case

2a : an outer covering or housing

https://www.merriam-webster.com/dictionary/case

Knowledge

https://www.merriam-webster.com/dictionary/knowledge