evidence: In the wake of the Hamas attack against Israel, some Republicans said that the Biden administration helped play a role in the violence by unfreezing $6 billion of Iranian oil money in exchange for the release of five American hostages. [...] Ali Vaez, the International Crisis Group's Iran project director, also rejected suggestions that Iran has accessed the $6 billion in unfrozen South Korean funds. [...] Critics, however, say the fact that Iran knows it will have access to that $6 billion allows it to free up other funds to spend.