Berean Study Bible
If anyone kills a person, the murderer is to be put to death on the testimony of the witnesses. But no one is to be put to death based on the testimony of a lone witness.

King James Bible
Whoso killeth any person, the murderer shall be put to death by the mouth of witnesses: but one witness shall not testify against any person to cause him to die.

American Standard Version
Whoso killeth any person, the murderer shall be slain at the mouth of witnesses: but one witness shall not testify against any person that he die.

Darby Bible Translation
Whoever shall smite a person mortally, at the mouth of witnesses shall the murderer be put to death; but one witness shall not testify against a person to cause him to die.

Douay-Rheims Bible
The murderer shall be punished by witnesses: none shall be condemned upon the evidence of one man.

English Revised Version
Whoso killeth any person, the manslayer shall be slain at the mouth of witnesses: but one witness shall not testify against any person that he die.

Young's Literal Translation
whoso smiteth a person, by the mouth of witnesses doth one slay the murderer; and one witness doth not testify against a person -- to die.