Mr. Malawi warns against weakening of Rome Statute by attacking the ICC.
The war crimes tribunal is also seeking to bring Boko Haram elements to justice for crimes against humanity.
Various commissions and inquiries have been set up to investigate alleged crimes committed by the military since 2009, but none led to any prosecution of perpetrators.
The Netherlands-based war crimes tribunal acknowledged receiving complaints against Nigerian political and military leaders last week.
A team of experts that advised on the next jurists for the world crimes tribunal says the Nigerian candidate has “a very limited knowledge” of the position.
