KARACHI, May 24: At least four officials of the Federal Bureau of Investigation have been frequenting the head office of a foreign bank in connection with the probe of a banking scandal involving millions of dollars of insider trading, it emerged on Thursday.

Sources in law-enforcement agencies told Dawn that the FBI agents had been checking out suspect accounts whose holders were believed to have been part of the scam.

They added that the FBI team had four members.

“The team has been in Pakistan for the past three weeks for further investigating the case of insider trading in the United States committed by Pakistani banker Hafiz Naseem who named Aijaz Rahim of Faysal Bank as the recipient of the secret information in Pakistan,” said the sources.

They said that according to official documents, the FBI team would stay in Pakistan at least till the end of the month.

The sources made it clear that the FBI team would not go to individual branches of the bank under suspicion but would confine their investigations to the head office of the foreign bank they had been regularly visiting.