Attorney Stephen Jones says his client answered all of the FBI's questions to the fullest and was not asked to return. Jones says his client was not served with a subpoena.
The interview took place in Oklahoma City, where the young man now works as deputy campaign manager for the Republican candidate for governor.
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Jones also said he was contacted this morning by the House Ethics Committee.
The committee is expected to hear testimony tomorrow from former Foley aide Kirk Fordham, who claims he first reported Foley's inappropriate conduct to House Speaker Dennis Hastert's office in 2003.
ABC News' Avni Patel contributed to this report.