What specific instance is mentioned by Peter?

Answer

'Men and brethren, this scripture must needs have been fulfilled, which the Holy Ghost by the mouth of
David spoke before concerning Judas, which was guide to them that took Jesus!' Acts 1: 16.

How definite should we be in confessing our sins?
What was required in order to effect this reconciliation?
Whose destruction was made certain by the death of Christ ?
Why did the Lord abhor the Canaanites?
How does Paul give expression to this hope?
On opening the fifth seal, what was seen under the altar?
What will His true followers do?

Questions & Answers are from the book Bible Readings for the Home Circle