What is a suspicious TXN?

ACADEMY Bank National Association 13 Asian Pacific National Bank 9 Atlanta National Bank 4 Bank of Crockett 7 CENTURY Bank 3 CLIMATE FIRST Bank 12 Eagle Bank 2 Exchange State Bank 3 FIRST Bank CHICAGO 4 FIRST National Association National Bank OF PA 19 Heritage Bank, National Association 17 Logan State Bank 3 Powell Valley National Bank 10 PrimeSouth Bank 8 Producer Bank of Texas 4 Scribner Bank 2 State Bank of Chilton 2 Utah Independent Bank 11 Walters Bank & Trust 5 West Central Georgia Bank 12