The lawsuit, filed in the US District Court for Washington, DC, is thought to be the first case of a US citizen being accused of providing major support for the October 7 attacks.

The lawsuit, based on U.S. anti-terror laws, claims that the Qatari network knowingly assisted and helped terrorist organizations spread propaganda, recruit activists and incite violence.

The likelihood of success in these cases seems strong, given the precedent of victims winning similar cases.

A settlement has been reached in a U.S. lawsuit accusing a large Jordan-based bank of sharing responsibility for a wave of Hamas-sanctioned suicide bombings in the early 2000s that left several Americans dead or wounded.