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Attorney General Barr Seeks DOJ Facebook Antitrust Probe

  • Facebook now target of two federal cases simultaneously
  • FTC already has separate Facebook investigation underway
Mark Zuckerberg

Mark Zuckerberg

Photographer: Andrew Harrer/Bloomberg

The Justice Department intends to investigate Facebook Inc. after prodding from U.S. Attorney General William Barr, according to a person familiar with the matter, even though the Federal Trade Commission already has an inquiry underway.

The social-media giant now faces parallel probes by two federal agencies over whether it has harmed competition in violation of antitrust laws.