The forensic expert also informed the court that following forensic analysis of the two documents, he discovered that there was clear evidence of forgery of signature, adding the seal of execution were different from the original.
Emefiele is facing a 20-count amended charge bordering on corrupt advantages, conspiracy, criminal breach of trust, forgery and obtaining by false pretenses to the tune of $6,230,000.
He was also accused of impersonating the SGF to illegally obtain a sum of $6.2m
At the last adjourned date mid-February, the former SGF Mustapha testified before the court and asserted that the documents did not emanate from former President Buhari or his office.
Mustapha said he knew nothing about the transaction up till the time he left office at the end of May 2023.
He said: “All through my service year as the SGF, I never came across these documents it was claimed that Buhari signed. From the face value of this document, having served for five years and seven months as SGF, this document did not emanate from the president for the following reasons.
At Thursday’s hearing, Bamaiyi under cross-examination by counsel for Emefiele, said he was not a staff of the EFCC, and was not being paid by the anti-graft agency.
He said his salary was domiciled with the Nigeria Immigration Service.
However, Counsel for Emefiele, Matthew Burkaa, expressed displeasure over the conduct of the witness, saying that he misled the court by evading questions.
The matter has been adjourned till March 11 for continuation of trial.