John 11:57

57Now the chief priests and the Pharisees had given orders that if anyone knew where he was, he should let them know, so that they might arrest him.

Revelation of John 13:16-17

16Also it causes all, both small and great, both rich and poor, both free and slave,
Greek bondservant
bto be marked on the right hand or the forehead,
17so that no one can buy or sell unless he has the mark, that is, cthe name of the beast or dthe number of its name.
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