Moses
Leviticus 5:3BSB·traditional attribution

Or if he touches human uncleanness—anything by which one becomes unclean—even if he is unaware of it, when he realizes it, he is guilty.

Matthew Henry Presbyterian @wholebiblehenry

I. The offences here supposed are, 1. A man's concealing the truth when he was sworn as a witness to speak the truth, the whole truth, and nothing but the truth. Judges among the Jews had power to adjure not only the witnesses, as with us, but the person suspected (contrary to a rule of our law, that no man is bound to accuse himself)...

Commenting on Leviticus 5:1-6

John Gill Reformed Baptist @doctorgill

Or if he touch the uncleanness of man,.... The dead body of a man, or the bone of a dead body, or a grave, or any profluvious or menstruous person: whatsoever uncleanness it be that a man shall be defiled withal: not morally, but ceremonially: and it be hid from him; he is not sensible that he has touched any thing ceremonially unclean: when he...

Jamieson-Fausset-Brown Reformed @jfbcommentary

TOUCHING ANY THING UNCLEAN. (Lev 5:2-3) if a soul touch any unclean thing--A person who, unknown to himself at the time, came in contact with any thing unclean, and either neglected the requisite ceremonies of purification or engaged in the services of religion while under the taint of ceremonial defilement, might be afterwards convinced that he had committed an offense.

Commenting on Leviticus 5:2-3