Justices parse Twitter’s role in Islamic State attacks The case is the second one before the high court in as many days that concerns the extent to which the tech industry is shielded for the content their users publish.

(Courthouse News) The Supreme Court spent nearly three hours Wednesday on the question of whether the ability of the Islamic State group to post on Twitter amounts to aiding and abetting.

Spending most of the arguments waffling through various hypotheticals, the justices appeared to struggle to detangle the extent to which Twitter would have known that the group otherwise known as ISIS was responsible for specific attacks and had thus been designated as a terrorist organization.

If this were a criminal case, Justice Samuel Alito remarked, it would be clear Twitter did not aid and abet the Islamic State in carrying out a 2017 terrorist attack in Turkey. Justice Amy Coney Barrett looked ahead, meanwhile, warning that Twitter could be aiding in future attacks if it knew ISIS was using its services.

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