Acts 1:18-19
(Now this man [Judas] paid for [in a sense] a [burial] field with the reward money he had received for his sinful act [of betraying Jesus, See Matt. 27:3-10]. [Then, some time after Judas hanged himself, See Matt. 27:5] he fell down headlong, [his swollen body] bursting so that his intestines gushed out.
Matthew 27:3-10
Then Judas, who had betrayed Him [to the Jewish leaders], when he saw that Jesus had been condemned to die, changed his mind [i.e., about betraying Him] and brought back the thirty silver coins [Note: See Matt. 26:15 for the amount of money involved] to the leading priests and [Jewish] elders,
Matthew 27:12
When He was accused by the leading priests and the [Jewish] elders, He made no reply.
Acts 4:11
He is that [Psa. 118:22], 'stone that was rejected by you builders but was made the principal stone by which the entire building is aligned.'