False witnessing is The ninth commandment concerns our own and our neighbour’s good name: Thou shalt not bear false witness, v. 16.
This forbids, 1. Speaking falsely in any matter, lying, equivocating, and any way devising and designing to deceive our neighbour.
2. Speaking unjustly against our neighbour, to the prejudice of his reputation
3. Bearing false witness against him, laying to his charge things that he knows not, either judicially, upon oath (by which the third commandment, and the sixth of eighth, as well as this, are broken), or extrajudicially, in common converse, slandering, backbiting, tale-bearing, aggravating what is done amiss and making it worse than it is, and any way endeavouring to raise our own reputation upon the ruin of our neighbour’s.
Now many take it lightly just to make remarks about our pass leaders e.g. MLK slept around.
Now I have no way of knowing wether he did or not, the man could have. He was wrap in flesh as we are. But unless one saw this action with their own eyes they would be considered a "false witness."
wether or not the FBI or whomever says they have tapes, the fact of the matter is, a christian talking about another christian in this manner, and really a christian retaining memory of these things in reference to a sis/bro is wrong.
3John 1:11 Beloved, follow not that which is evil, but that which is good....
not to mention the communication from our mouths as Christians should always endeavor to edify the body of Christ not to be a gossiper of it.