the floodgates for and others international crimes , according to the president of eurojust vladyslav hammeranhistory of mankind has there been so much evidence of aggression as today the prosecutor general of ukraine andriy kostin cites statistics of war crimes committed in ukraine 93,000 cases collection of evidence continues in real time he researches and prosecutors of ukraine and members of my office work in a combat zone which presents them with unique challenges but if we do not collect and preserve this evidence, the hope of prosecution the guilty to responsibility will become illusory and of course regardless of whether it is about human rights or about the rome statute, together we try to make these concepts practical and effective that they leave the pages of academic journals established the banner of justice on ukrainian soil, the need to create a pasterbunal arose, in particular, due to the lack of jurisdiction of the international criminal court to investigate the crime of aggression against ukraine and hold the kremlin leaders accountable. the osce assembly supported this idea.