No, the form of the possess noun is not correct:
The correct singular possessive is witness's.
The correct plural possessive is witnesses'.
Unreliable
A prosecution could be made unreliable if the only evidence for the case comes from witness testimony. Many times witnesses lack sufficient details when they are testifying.
The witness's testimony was found guilty, therefore the suspect was claimed innocent.
One who can give a firsthand account of something seen, heard, or experienced:a witness to the accident.The witness went at the court to provide informations about the accident.
Are you able to refute the testimony that the witness just presented.
The witness gave his testimony.Her testimony about the murderer put him in prison for life.
In the law, testimony is a form of evidence that is obtained from a witness who makes a solemn statement or declaration of fact.
After the Prosecution's witness gave his testimony, the Defense cross-examined him. My testimony at church moved many people to a deeper relationship with God.
The word for witness stand is "testimony stand" or "witness box."
The word "testimony" comes from the Latin word "testimonium," which means evidence, witness, or testimony. It is derived from the Latin word "testis," meaning witness.
It relies on the memory and truthfulness of the witness.
The guideline for expert witness testimony at the Court is 'Testifying in Court: Guidelines and Maxims for the Expert Witness'. Stanley L. Brodsky is the author of this book.