Anwa Dramat was called to testify at the Mokgoro Inquiry on Thursday.
Brigadiers Leonora Phetlhe and Tiyani Hlungwane, as well as Lieutenant-Colonel Zandile Mokushane, were found not guilty on all charges.
Former head of Crime Intelligence head Richard Mdluli was relieved of his duties in January after being on paid suspension for about six years.
Ipid boss Robert McBride made the comments in an exclusive interview with Eyewitness News where he warned of his imminent arrest.
Robert McBride says the take-down plot follows three major arrests of police officers on charges of fraud and corruption over the last three weeks.
The minister made the comments after Eyewitness News reported on Monday that Ipid was investigating a failed attempt to defraud Crime Intelligence of R45 million.
It emerged on Monday that the police fired Morris Tshabalala - who is also known as 'Captain KGB' - on Friday, a week after he was arrested on charges of fraud and corruption.
Tshabalala has been dismissed on grounds that he was convicted of an offence and sentenced to imprisonment without the option of a fine.
Crime Intelligence operative Morris Tshabalala is accused of defrauding the unit’s secret service account of hundreds of thousands of rands.
Thekiso Mogoerane, who was known as 'Tex' to his colleagues, was a former Umkhonto we Sizwe soldier trained in Angola and served time on Robben Island in the late 1980s.
Convicted armed robber Morris Tshabalala, known as Captain KGB, appeared in the Pretoria Specialised Commercial Crimes Court on Thursday morning.
Francois Beukman, has welcomed the agreement between Fikile Mbalula and suspended Crime Intelligence head Richard Mdluli that led to his being relieved from duty.
