King James Version
Then shalt thou enquire, and make search, and ask diligently; and, behold, if it be truth, and the thing certain, that such abomination is wrought among you;English Standard Version
then you shall inquire and make search and ask diligently. And behold, if it be true and certain that such an abomination has been done among you,New International Version
then you must inquire, probe and investigate it thoroughly. And if it is true and it has been proved that this detestable thing has been done among you,