The Department also sets out the conditions for using lethal force . The 16-page document is a policy document , not an official legal document . ` ` Clear evidence '' of an imminent attack on the United States is not mentioned . Dianne Feinstein of California said in a statement that the Justice Department memo and other information has permitted the Intelligence Committee to conduct `` appropriate and probing '' oversight into the use of lethal force . ` NEW : White House says questions weighed against legal concerns , discussed publicly .
The Department also sets out the conditions for using lethal force . The 16-page document is a policy document , not an official legal document . ` ` Clear evidence '' of an imminent attack on the United States is not mentioned . NEW : White House says questions weighed against legal concerns , discussed publicly .