Coleman was the deputy superintendent and chief operating officer of the Dallas Independent School District from August 1999 to September 2000, before he went on to serve as superintendent of Detroit Public Schools.
Federal authorities initially accused him of taking kickbacks to help win contracts in Dallas for computer company Micro Systems Engineering, Inc. Coleman faced several charges but he agreed to testify for the government in exchange for the reduced charge.
Two others in the case -- a former Dallas school administrator and a vendor who did millions of dollars worth of business with the district -- were found guilty of bribery and other charges in July.
Ruben Bohuchot and Frankie Logyang Wong were found guilty on a total of 23 counts, including bribery, conspiracy to commit bribery and conspiracy to commit money laundering.
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