Hizballah are the front troops of Iran's on Israel's northern border. Hizballah would not have been able to function - ideologically, militarily, financially - without the back up of Iran. The accusation should have been directed, therefore, to Iran, the power that is aiming to extend its hegemony over the entire region and beyong and wipe Israel, a UN member state, off the map through whatever means, including nuclear weapons.
U.S. warns governments, bankers Iran sanctions still in place (Reuters)
from the article: Rights group says silenced by Hezbollah, Lebanon over report