Leviticus 19:16
"Thou shalt not go up and down as a talebearer among thy people: neither shalt thou stand against the blood of thy neighbour: I am the LORD."
Cross References (ranked by relevance)
Thou shalt not raise a false report: put not thine hand with the wicked to be an unrighteous witness.
Keep thee far from a false matter; and the innocent and righteous slay thou not: for I will not justify the wicked.
He that goeth about as a talebearer revealeth secrets: therefore meddle not with him that flattereth with his lips.
In thee are men that carry tales to shed blood: and in thee they eat upon the mountains: in the midst of thee they commit lewdness.
A talebearer revealeth secrets: but he that is of a faithful spirit concealeth the matter.
Take ye heed every one of his neighbour, and trust ye not in any brother: for every brother will utterly supplant, and every neighbour will walk with slanders.
They are all grievous revolters, walking with slanders: they are brass and iron; they are all corrupters.
Wherefore laying aside all malice, and all guile, and hypocrisies, and envies, and all evil speakings,
Thou shalt not bear false witness against thy neighbour.
He that backbiteth not with his tongue, nor doeth evil to his neighbour, nor taketh up a reproach against his neighbour.
Without natural affection, trucebreakers, false accusers, incontinent, fierce, despisers of those that are good,
The aged women likewise, that they be in behaviour as becometh holiness, not false accusers, not given to much wine, teachers of good things;
Even so must their wives be grave, not slanderers, sober, faithful in all things.
Saying, I have sinned in that I have betrayed the innocent blood. And they said, What is that to us? see thou to that.