Deuteronomy 19:16

Overview - Deuteronomy 19
The cities of refuge.
The privilege thereof for the manslayer.
14 The land-mark is not to be removed.
15 Two witnesses at the least are required.
16 The punishment of a false witness.
Treasury of Scripture Knowledge

Deuteronomy 19:16  (King James Version)
If a false witness rise up against any man to testify against him that which is wrong;

a false witness
Exodus 23:1-7 ; 1 Kings 21:10-13 ; Psalms 27:12 ; 35:11 Mark 14:55-59 ; Acts 6:13

that which is wrong
or, falling away.