Matthew 27:3-5 World English Bible (WEB)
3 Then Judas, who betrayed him, when he saw that Jesus was condemned, felt remorse, and brought back the thirty pieces of silver to the chief priests and elders, 4 saying, “I have sinned in that I betrayed innocent blood.”
But they said, “What is that to us? You see to it.”
5 He threw down the pieces of silver in the sanctuary and departed. Then he went away and hanged himself.