Pakistan Prime Minister Yusuf Raza Gilani today constituted a high level committee to begin investigation into the assassination of former Prime Minister Benazir Bhutto. A statement from the Prime Minister's office said the three- member Fact Finding Committee will determine whether the then Director General, Military Intelligence gave an order to police officials for washing and cleaning of the crime scene of the murder of Benazir Bhutto. The committee will submit its report to the Prime Minister within seven working days.