In a letter to Sen. Wyden, data broker Mobilewalla says it was the source of some data used by the DHS, IRS, and US military for warrantless tracking of devices (Byron Tau/Wall Street Journal) –

Byron Tau / Wall Street Journal:
In a letter to Sen. Wyden, data broker Mobilewalla says it was the source of some data used by the DHS, IRS, and US military for warrantless tracking of devices  —  Mobilewalla CEO writes to U.S. senator investigating location brokers: ‘Selling mobile device data for use by law enforcement agencies is not our business model’

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