Genesis 4:8-10 World English Bible (WEB)
8 Cain said to Abel, his brother, “Let’s go into the field.” While they were in the field, Cain rose up against Abel, his brother, and killed him.
9 Yahweh said to Cain, “Where is Abel, your brother?”
He said, “I don’t know. Am I my brother’s keeper?”
10 Yahweh said, “What have you done? The voice of your brother’s blood cries to me from the ground.