The premises will be searched and it is possible that the person under investigation could be arrested and taken for interview under caution by the police.
At press conferences and in an interview, he declined to answer numerous questions about the progress of the investigationand the suspect, Jared Lee Loughner.
Aguirre says his firing was politically motivated and came after he tried to interview current Morgan Stanley Chief Executive JohnMackJohn Mack in his investigation into insider trading by Pequot Capital in shares of Heller Financial before its acquisition by General Electric in 2001.