James Ibori, former Delta State governor, has left the Department of State Services (DSS) in Abuja.
He was released after holding a meeting with Lawal Daura, the director-general.
The former governor of Delta state returned to the country on Saturday after serving a jail term for fraud in the UK.
Ibori was picked up by DSS operatives and then taken to the head office of the DSS for what was described as a briefing.
Ibori is eagerly being awaited in Oghara, his home town in Delta state, by his relations and supporters.
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