'Thoroughly' in the Bible

then you shall investigate and search out and inquire thoroughly. If it is true and the matter established that this abomination has been done among you,

and if it is told you and you have heard of it, then you shall inquire thoroughly. Behold, if it is true and the thing certain that this detestable thing has been done in Israel,

The judges shall investigate thoroughly, and if the witness is a false witness and he has accused his brother falsely,