Do a bit of research on the hearsay rule in legal proceedings. In your own words explain the hearsay rule

Do a bit of research on the hearsay rule in legal proceedings. In your own words, explain the hearsay rule and describe
how it relates to the concept of an expert witness.
Use References. Include quotes from your sources enclosed in quotation marks and cited in-line by reference to your reference list.
It should be Plagiarism free.