In a statement signed by Tony Opuiyo on Sunday, DSS said while three of its staff are now at large, the Military Authorities have commenced a detailed investigation of five of its own personnel involved in the crime.
"Preliminary investigations have revealed that Abdulrasheed Ahmadu MAIGARI of the DSS, conspired with four other colleagues of his namely: Solomon INUSA, Peter OKOYE, Patrick ISHAYA and George Mwatapwa IBBI, to carry out this reprehensible act.
"The five military personnel [involved] were led by one Capt. Hussein Ishaku MSHELIA. Meanwhile, the Service has arrested MAIGARI and IBBI; and MSHELIA equally arrested by the Army authorities," the statement disclosed.
The Service added that efforts were ongoing to apprehend those still at large.
"A total of Sixty-Six Million Four Hundred and Thirty Seven Thousand, Four Hundred and Forty-five Naira (N66,437,445.00) and Six Thousand Two Hundred Dollars ($6,200) have so far been recovered, while efforts are being made to recover the remaining amounts," according to the statement.
The DSS said those so far arrested have been suspended pending the completion of investigations, calling on members of the public with useful information that could lead to the arrest of those at large to volunteer same to the Service or other security agencies.