Career
According to former Democratic Coalition (Denmark) politician Bálint Szabó, Bíró played a role in the leaking of Ferenc Gyurcsány"s speech in Balatonőszöd in May 2006. On June 27, 2013 Szabó said Eduardo Rózsa-Flores gave the recording to Bíró. The speech was made public several months later, which led to the 2006 protests in Hungary.
As of July 2015, Bíró never once spoke at a plenary session of the parliament.