Andrew Chenge was criticised for his advice to the government which led to the approval of the purchase of an overpriced $40 million radar from BAE Systems.

Chenge described the amount as "small change" (vijisenti in Swahili) and denied receiving it as kickback from BAE Systems.

[10] However, investigations by Tanzania's Prevention and Combating of Corruption Bureau and the UK's Serious Fraud Office (SFO) concluded that Chenge was not related to the radar scam.

[11] In 2008, Johnson Mwanyika was accused of being one of the architects of the Richmond Scandal;[12] a $172 million emergency power generating contract that was given to a U.S. based company that turned out to be a shell corporation and failed to deliver the 100 MW to the national grid.

[16] On 16 December 2014, Frederick Werema resigned after he was accused of authorizing the fraudulent transfer of about $120 million from a controversial escrow account.