'Witness' in the Bible

The one condemned to die is to be executed on the testimony of two or three witnesses. No one is to be executed on the testimony of a single witness.

“One witness cannot establish any wrongdoing or sin against a person, whatever that person has done. A fact must be established by the testimony of two or three witnesses.

“If a malicious witness testifies against someone accusing him of a crime,

The judges are to make a careful investigation, and if the witness turns out to be a liar who has falsely accused his brother,

Therefore write down this song for yourselves and teach it to the Israelites; have them recite it, so that this song may be a witness for Me against the Israelites.

“Take this book of the law and place it beside the ark of the covenant of the Lord your God so that it may remain there as a witness against you.