Families of San Bernardino victims sue Twitter, Facebook, Google over ISIS propaganda

FILE - In this July 27, 2014 file photo provided by U.S. Customs and Border Protection shows Tashfeen Malik, left, and her husband, Syed Farook, at O'Hare International Airport in Chicago. (U.S. Customs and Border Protection)

Families of victims of the 2015 San Bernardino terrorist attack have filed a lawsuit against social media companies accusing them of aiding in the spread of terrorism.

Twitter, Facebook, and Google are named as defendants in the suit, filed in federal court last week by surviving relatives of three people killed by Syed Farook and Tashfeen Malik. The married couple pledged allegiance to ISIS on Facebook prior to launching the attack on a holiday party held by Farook’s employer in San Bernardino, California, killing 14 people.

The families of Tin Nguyen, Nicholas Thalasinos and Sierra Clayborn allege that Twitter, Facebook, and Google’s YouTube are not doing enough to police terrorist propaganda and that their policies are helping ISIS raise funds and recruit.

"Plaintiffs’ claims are based not upon the content of ISIS’ social media postings, but upon Defendants provision of the infrastructure which provides material support to ISIS," the wrongful death complaint states. "Furthermore, Defendants profit from ISIS by placing ads on ISIS’ postings."

The suit also claims that Google shares ad revenue with ISIS.

None of the companies have filed responses to the suit yet. Similar lawsuits have been filed by relatives of victims of the 2015 terrorist attack in Paris and the 2016 attack on the Pulse nightclub in Orlando.