Sir Geoffrey Niceis a British barrister... (wikipedia)
The accused intended to destroy the Bosnian Muslim population in part or in whole in order to achieve those aims.
Typically, they are high-level witnesses who can give direct evidence of what he was doing.
The prosecution is completely opposed to any question of severance of the indictments.
Proof will include truth, but it will not present the full picture. We have a limitless field of evidence from the wars, but we are not inquiring like scientists; we are asked to extract from it.