Genesis 37:31 in the World English Bible
They took Joseph’s tunic, and killed a male goat, and dipped the tunic in the blood.
Context
30 And he returned unto his brethren, and said, The child is not; and I, whither shall I go?
31 And they took Joseph’s coat, and killed a kid of the goats, and dipped the coat in the blood;
32 And they sent the coat of many colours, and they brought it to their father; and said, This have we found: know now whether it be thy son’s coat or no.