Matthew 24:4-5

24:4 Jesus answered them, “Watch out that no one misleads you. 24:5 For many will come in my name, saying, ‘I am the Christ,’ and they will mislead many.

Matthew 24:11

24:11 And many false prophets will appear and deceive many,

Matthew 24:23-25

24:23 Then if anyone says to you, ‘Look, here is the Christ!’ or ‘There he is!’ do not believe him. 24:24 For false messiahs and false prophets will appear and perform great signs and wonders to deceive, if possible, even the elect. 24:25 Remember, I have told you ahead of time.