Apple, Facebook Clash With Senators Over Encryption, Backdoors

Apple Inc. and Facebook Inc. clashed again with Washington over law enforcement access to encrypted data.

In a Senate hearing on Tuesday, lawmakers on both sides of the aisle pushed the companies to let the police and other authorities access personal data that lies behind encryption on devices and technology platforms. Senators threatened to legislate if the private sector doesn’t offer solutions on its own.

Republican Lindsey Graham, chairman of the Senate Judiciary Committee and a top ally of President Donald Trump, said the government should be able to search phones if it has a warrant. “I hope the ...