Daniel 11:30: "...He" [The Little Horn/False Prophet] "shall even return, and have intelligence with them that forsake the holy covenant."

2 Thessalonians 2:10: “And with all deceivableness of unrighteousness in them that perish; because they received not the love of the truth, that they might be saved.”

2 Thessalonians 2:11: “And for this cause God shall" [Future prophecy] "send them” [Those that fell away] “strong delusion, that they should believe a lie:”

2 Thessalonians 2:12: “That they all might be damned who believed not the truth, but had pleasure in unrighteousness.”