She led the Nigeria delegation to Dallas, Texas for a seminar organised by the United States Secret Service in 1998.
[9] In September 2008 Waziri said that allegations of corruption by former president Olusegun Obasanjo and some former state governors could not be supported because the files did not exist or they had disappeared.
[12] In April 2009 Waziri said that the EFCC was making arrangements to extradite former Minister of the Federal Capital Territory Mallam Nasir El-Rufai from the US to face charges.
Other high-level suspects being pursued included Senator Nicholas Ugbane and the former FCT Minister Nasir El-Rufai.
[16] Later that year, the Economic and Financial Crimes Commission gave a list to the leadership of the Nigeria Labour Congress of 56 prominent Nigerians who allegedly had between them defrauded the nation of N243 billion.
[18] Her dismissal may have been related to accusations that the EFCC had been selective in its investigations, or to her falling out with the Attorney-General and Minister of Justice, Mohammed Bello Adoke over the prosecution of cases that were brought before the court.
It was also alleged that Waziri might have compromised the investigation into financial misappropriation against the former governor of Bayelsa state, Timipreye Sylva.