Acts 1:18

Overview - Acts 1
Christ, preparing his apostles to the beholding of his ascension, gathers them together unto the mount Olivet, commands them to expect in Jerusalem the sending down of the Holy Ghost, promises after a few days to send it, and ascends into heaven in their sight.
10 After his ascension they are warned by two angels to depart, and to set their minds upon his second coming.
12 They accordingly return, and, giving themselves to prayer, choose Matthias apostle in the place of Judas.
Treasury of Scripture Knowledge

Acts 1:18  (King James Version)
Now this man purchased a field with the reward of iniquity; and falling headlong, he burst asunder in the midst, and all his bowels gushed out.

Matthew 27:3-10

Numbers 22:7 Numbers 22:17 ; Joshua 7:21-26 ; 2 Kings 5:20-27 ; Job 20:12-15 ; Matthew 25:15
2 Peter 2:15 2 Peter 2:16

and falling
Psalms 55:15 Psalms 55:23 ; Matthew 27:5