When Cohn, Fierro, Erica Evans and others were trapped in a stand-off with Visitors and FBI, Cohn, realizing he had to give his life for the cause and the survival of the Fifth Column was in jeopardy, asked Evans, who he appointed as his successor to lead the Column, to make sure that Fierro, as well as other key Column members, got out of the building with the rest of the hostages, as he possessed all the contacts and information Evans would need. Fierro was successfully evacuated from the building, disguised as a hostage. ("Siege")