By Ricardo Brito and Lisandra Paraguassu BRASILIA (Reuters) -Brazil’s Abin spy agency allegedly conducted illegal surveillance on at least three Supreme Court Justices and a former Lower House speaker during Jair Bolsonaro’s presidency, according to Supreme Court documents unsealed on Thursday. The release of the documents came shortly after Brazil’s federal police searched addresses linked to Congressman Alexandre Ramagem, Bolsonaro’s former spy chief. Ramagem is suspected of orchestrating the illegal spying against Bolsonaro’s foes during his time leading Abin from 2019-2022. The Supreme Cou…