Transcript for German Artists Come Forward in White Flag Brooklyn Flap
. Authorities may finally have solved the mystery tonight that baffled and transfixed the world's largest metropolis this summer, just who rode up and stole the flag? Here is Lindsey Davis. Reporter: Two artists have now come forward taking responsibility for the flashiey est stunts, replacing the flags with white ones, they say they sewed the flags themselves sharing a cryptic video that triggered a social media firestorm as well as an investigation. A mystery on top of one of the most famous landmarks. Reporter: Was it a harmless joke or something more sinister, according to the artists they say it was not an anti-american statement. They were shocked and considered their swap a work of art, celebri celebrating the German who designed it. I want to make the dream the reality. Reporter: Apparently this is not their first rodeo. This video from a German broadcasting company highlights provocative projects from the daring duo. It is not about making it look dangerous, it is about seeing and feeling what we are exposed to and there are no limits for us. Except perhaps, the limits of the law. For "Nightline," I'm Lindsey Davis in New York.
This transcript has been automatically generated and may not be 100% accurate.