FBI director: 'We have not sought' information from controversial cellphone tracking company

FBI Director Robert Mueller told lawmakers on Wednesday that his agency has not used data from Carrier IQ, a controversial cellphone tracking software company, in its investigations.

"We have neither sought nor obtained any information from Carrier IQ in any one of our investigations," Mueller said in response to questioning from Sen. Al Franken (D-Minn.).

Carrier IQ's software, which is embedded in millions of smartphones, tracks users' key strokes and is designed to help companies ensure their phones are operating effectively.

Critics of the technology say it could collect the phone numbers consumers dial, the contents of their text messages, the websites they visit, their search queries and even their locations.

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