A co-defendant in the FBI investigation into Dallas County Commissioner John Wiley Price has pleaded guilty and will cooperate with prosecutors, NBC 5 Investigates has learned.

Christian Campbell's deal with federal prosecutors calls for a maximum three-year prison sentence.

Campbell admits he was part of an alleged conspiracy to bribe Price from 2001 to 2011.

Campbell allegedly helped bribe Price for lucrative county computer contracts. Now, he will testify against Price.

Price is accused of taking $950,000 in bribes and was indicted in July 2014 after a long FBI investigation.

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