Ibrahim Magu, the suspended Acting chairman of the Economic and Financial Crimes Commission spent his second night in custody Tuesday while Police combed his Abuja home.
Magu on Monday honoured an invitation by a Presidential panel investing allegations of corruption against him, and has since then been in detention at the Force Criminal Investigation and Intelligence Department.
The panel headed by a retired Justice Ayo Salami, quizzed him for hours on Monday and gain on Tuesday.
President Buhari suspended Magu on Tuesday to enable the panel carry out its duties without hindrance.