Moses 5:
48 If Cain shall be avenged sevenfold, truly Lamech shall be seventy and seven fold;
49 For Lamech having entered into a covenant with Satan, after the manner of Cain, wherein he became Master Mahan, master of that great secret which was administered unto Cain by Satan; and Irad, the son of Enoch, having known their secret, began to reveal it unto the sons of Adam;
50 Wherefore Lamech, being angry, slew him, not like unto Cain, his brother Abel, for the sake of getting gain, but he slew him for the oath's sake.
51 For, from the days of Cain, there was a secret combination, and their works were in the dark, and they knew every man his brother. (Sodomy; Homosexuality)
52 Wherefore the Lord cursed Lamech, and his house, and all them that had covenanted with Satan; for they kept not the commandments of God, and it displeased God, and he ministered not unto them, and their works were abominations, and began to spread among all the sons of men. And it was among the sons of men.
53 And among the daughters of men these things were not spoken, because that Lamech had spoken the secret unto his wives, and they rebelled against him, and declared these things abroad, and had not compassion;
54 Wherefore Lamech was despised, and cast out, and came not among the sons of men, lest he should die.
55 And thus the works of darkness began to prevail among all the sons of men.
56 And God cursed the earth with a sore curse, and was angry with the wicked, with all the sons of men whom he had made;
57 For they would not hearken unto his voice, nor believe on his Only Begotten Son, even him whom he declared should come in the meridian of time, who was prepared from before the foundation of the world.