Plavsic described Krajisnik, with whom she had been jointly indicted for genocide and war crimes, as one of the key figures in the Bosnian Serb leadership during the 1992-95 war in Bosnia-Herzegovina, saying that he had maintained close ties with the late Serbian president Slobodan Milosevic and that in many aspects he had wielded greater influence than Bosnian Serb political leader Radovan Karadzic.
The witness said that Krajisnik and Karadzic had decided on maps and other crucial issues in consultation with Milosevic and without consulting the Bosnian Serb Assembly or Presidency, of which she was a member.
"Krajisnik and Karadzic consulted Milosevic on maps at peace talks" and often went to see him in Belgrade, Plavsic said, insisting that she had openly opposed Milosevic's policies.
Plavsic's "insider" testimony could create considerable difficulty for Krajisnik's defence team, who claim that their client's role was peripheral and his influence among Bosnian Serb authorities slight.
Plavsic was sentenced to 11 years in prison in 2003 following a plea agreement with the prosecution, under which she admitted her guilt for the expulsion of non-Serb civilians from Serb-held areas of Bosnia-Herzegovina and the charges of genocide and other war crimes were withdrawn.
Plavsic continues her testimony on Friday.