Judas commits suicide
Judas regretted betraying Jesus and killed himself. The chief priests took his money and bought the Field of Blood.
Dictionary of Phrase and Fable
Blood Money
Blood Money. Money paid to a person for giving such evidence as shall lead to the conviction of another; money paid to the next of kin to induce him to forego his “right” of seeking blood for blood; money paid to a person for betraying another, as Judas was paid blood-money for showing the band the place
The Zondervan Encyclopedia of the Bible, Volume 3, H–L
Judas Tree
Judas tree. Name given to Cercis siliquastrum, which according to legend is the tree from which Judas Iscariot hanged himself (the biblical accounts of Judas’s death do not expressly mention a tree; see Matt. 27:5; Acts 1:18). The tree is a native of Palestine. It grows about 30 ft. tall, and could provide
Key passages
Mt 27:3–10

Then when Judas, the one who had betrayed him, saw that he had been condemned, he regretted what he had done and returned the thirty silver coins to the chief priests and elders, saying, “I have sinned by betraying innocent blood!” But they said, “What is that …

Ac 1:18–19

(Now this man acquired a field for the wages of his wickedness, and falling headlong, he burst open in the middle and all his intestines spilled out. And it became known to all who live in Jerusalem, so that that field was called in their own language “Akeldama,” that is, “Field of Blood.”) …