The demons are always lurking.

Such an interesting interaction, the man with an unclean spirit said "flesh".

The ones from the seed of the serpent are from the flesh, they do not have the spirit of God. That's why their deeds are evil.

"But you are not in the flesh but in the Spirit, if indeed the Spirit of God dwells in you. Now if anyone does not have the Spirit of Christ, he is not His." Romans 8:9.

"But as then he that was born after the flesh persecuted him that was born after the Spirit, even so it is now." Galatians 4:29.