February 18, 2016

More tech giants are flocking to support Apple in its fight against a court order that it hack into a mass shooter’s phone.

On Tuesday, a California judged ordered that Apple help the FBI in an investigation of the San Bernardino shooting by helping the agency unlock and access the iPhone belonging to one of the shooters. Apple CEO Tim Cook soon after issued a public statement outlining not only the company’s inability to do so without building firmware to hack the phone but also its stance against building a “backdoor” into its products for government exploit.

On Thursday, Twitter co-founder and CEO Jack Dorsey tweeted his support for Cook and Apple, joining Whatsapp co-founder and CEO Jan Koum and Google CEO Sundar Pichai, who made similar statements earlier this week:

Facebook, which owns Whatsapp, also issued a statement of support to several media outlets:

Though Apple has unlocked phones in the past to help with criminal investigations, much of the company’s argument against caving to this request lies in protecting customer privacy and staying away from setting a legal precedent.

This article originally appeared on Fortune.com

Contact us at editors@time.com.

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