Taylor Swift performing on stage at Wembley Stadium for the London leg of "The Eras Tour."Kate Green/Getty ImagesA CIA official has given more information about the planned attack on Taylor Swift's Austria concert.CIA Deputy Director David Cohen said these people plotted to kill "tens of thousands of people."Swift canceled her three Austria shows, where she was supposed to perform for 200,000 people.A Central Intelligence Agency official said the individuals arrested in relation to the thwarted terrorist attacks on Taylor Swift's "The Eras Tour" Austria concerts had plotted to kill "tens of thousands of people."Speaking at an Intelligence and National Security Summit in Maryland on Wednesday, CIA Deputy Director David Cohen said the agency provided Austrian authorities with information that allowed them to arrest "four individuals who were plotting to attack a Taylor Swift concert.""They were found with explosives, they were found with bomb-making material, and they had access to the venue," Cohen said.