Jewish Publication Society of America Version (JPS1917) - Numbers 35:30 >

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.

King James Version (KJV) - Numbers 35:30 >

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.

Berean Study Bible (BSB) - Numbers 35:30 >

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.