Human Rights Watch accuses high-ranking officials of allowing extrajudicial killings and brutal practices to flourish after fall of TalibanTop Afghan officials have presided over murders, abduction, and other abuses with the tacit backing of their government and its western allies, Human Rights Watch says in a new report.A grim account of deaths, robbery, rapes and extrajudicial killings, Today We Shall All Die, details a culture of impunity that the rights group says flourished after the fall of the Taliban, driven by the desire for immediate control of security at almost any price.