Remember in the story of Cain, Satan lied to him and told him that the murder of Abel would be forever secret, that if he would murder his brother Abel it should not be known unto the world (Hel 6:27, see Moses 5:29). Nothing could be further from the truth, for the Lord made this evil act famous among all people declaring, it shall be said in time to come—That these abominations were had from Cain (Moses 5:25). But who was the whistle blower? How could anyone testify of what was done in secret? The answer is that the earth itself revealed the great secret. The Lord declared, The voice of thy brother’s blood cries unto me from the ground (Moses 5:35).
Hugh Nibley
“What is the rationale of this saying we have again and again in the Pearl of Great Price especially-‘his blood shall cry from the ground’ or ’from the earth.‘ There’s a rationale for this very ancient formula. The earth is the mother of life and is the womb of the resurrection also. From the earth we are resurrected and out from the earth we are born. She is Mother Earth. She is the mother of life and the womb of the resurrection. The destruction of life in any form is the reversal and perversion of existence itself, as we learn in Ether 8:19 in the Book of Mormon. ’For the Lord worketh not in secret combinations, neither doth he will that man should shed blood, but in all things hath forbidden it, from the beginning of man.‘ It’s an unspeakably horrendous calamity deliberately to reverse the process for which the earth was created. If the earth accepts their blood, it will cry from the ground and demand vengeance, as it does in the book of Moses.” (Teachings From the Book of Mormon, Lecture 52, p. 393)