Federal police officers are deployed at the Lula Institute headquarters in Sao Paulo, Brazil on March 04, 2016. Police searched the home of Brazil&amp;#39;s powerful ex-president Luiz Inacio Lula da Silva and detained him for questioning Friday in a probe into a huge corruption scheme. Agents searched his house in Sao Paulo, the offices of the Lula Institute, and houses of family members, Jose Chrispiniano, a spokesman for Lula and his institute, told AFP.AFP PHOTO / NELSON ALMEIDA / AFP / NELSON ALMEIDA        (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)