NSA spying is illegal – US privacy watchdog

The bulk collection of phone call data by US intelligence agencies is illegal and has had only minimal benefits in preventing terrorism, an independent US privacy watchdog has ruled.

The Privacy and Civil Liberties Oversight Board advised by a 3-2 majority that the programme should end, BBC reports.

In a major speech last week, President Barack Obama said he was ordering curbs on the use of such mass data.

But he said the US must continue collecting data to prevent attacks.

The report from the PCLOB is the latest of several reviews of the National Security Agencys mass surveillance programme, the details of which caused widespread anger after they were leaked by Edward Snowden.

Washington has argued it is lawful to collect information on phone calls known as metadata under a section of the George W Bush-era Patriot Act which gives the FBI the power to demand from businesses information deemed relevant to their investigations.

But the New York Times, one of several media organisations to have seen the PCLOB report, says three of the five panel members concluded that the NSA spying programme lacks a viable legal foundation under the Patriot Act.

It represents an unsustainable attempt to shoehorn a pre-existing surveillance programme into the text of a statute with which it is not compatible, they said.

The programme also raised constitutional concerns, including serious threats to privacy and civil liberties as a policy matter, and has shown only limited value.

As a result, the board recommends that the government end the programme, said the report.

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NSA spying is illegal – US privacy watchdog