There is no US law which prohibits the broad category of support, public or otherwise. There is US law, linked to by the article, https://uscode.house.gov/view

There is no US law which prohibits the broad category of support, public or otherwise. There is US law, linked to by the article, https://uscode.house.gov/view.xhtml?req=(title:18%20section:2339B%20edition:prelim) https://uscode.house.gov/view.xhtml?req=(title:18%20section:... concerning material support, defined as: > the term "material support or resources" means any property, tangible or intangible, or service, including currency or monetary instruments or financial securities, financial services, lodging, training, expert advice or assistance, safehouses, false documentation or identification, communications equipment, facilities, weapons, lethal substances, explosives, personnel (1 or more individuals who may be or include oneself), and transportation, except medicine or religious materials; The claim is that he "led activities aligned to Hamas", which is meaningless. I think food and drinking water must be supplied to Gaza as humanitarian aid, which is also something that Hamas thinks. My public support of this goal, while aligned with Hamas, is not illegal. > that he was not a supporter of terror groups No, it does not require that. See https://www.uscis.gov/laws-and-policy/other-resources/terrorism-related-inadmissibility-grounds-trig https://www.uscis.gov/laws-and-policy/other-resources/terror... . """The grounds for inadmissibility include, but are not limited to, individuals who: * Engaged in ‘terrorist activity;’” * Are engaged or are likely to engage in terrorist activity after entry; * Incited terrorist activity with intent to cause serious bodily harm or death; * Are representatives or current members of a terrorist organization; * Endorsed or espoused terrorist activity; * Received military-type training from or on behalf of a terrorist organization; or * Are spouses or children of anyone who has engaged in terrorist activity within the last five years (with certain exceptions). """ The term "terrorist activity" prohibits "Material Support", but does not "activities aligned" with terrorist groups.