The protester who was allegedly shoved by a police officer off a ledge near the U.S. Capitol on Jan. 6, 2021, identified himself for the first time on Feb. 22 and said he plans to sue the police for attempted murder. Before Feb. 22, Derrick Vargo was the unnamed subject of a video in which a police officer appears to push him off a 20-foot-high ledge, plunging to what many assumed was a tragic death. Nearly 14 months later, Vargo and his attorney announced a forthcoming civil suit against the U.S. Capitol Police for his serious injuries and mental trauma caused by the push and fall. Vargo, 32, who works as a yacht builder in Tennessee, said he has no doubt the motorcycle officer who pushed him did it with the intention of hurting or killing him. “He knows exactly where he was on that Capitol building. You know, he …