Genesis 4:8
And Cain talked with Abel his brother: and it came to pass, when they were in the field, that Cain rose up against Abel his brother, and slew him.
Torrey's Topical Textbook—AKJV

1 John 3:12
Not as Cain, who was of that wicked one, and slew his brother. And why slew he him? Because his own works were evil, and his brother's righteous.
Torrey's Topical Textbook—AKJV