Musnad Ahmad 27:1354

'Affan narrated to us, 'Abd al-'Aziz ibn Muslim narrated to us, 'Abdullah ibn Dinar narrated to us, from 'Abdullah ibn 'Umar, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "Indeed, for the treacherous person, Allah will set up a banner on the Day of Resurrection, and it will be said: 'Behold, this is the treachery of so-and-so.'"