One of the two top Home Team officers caught in a graft probe had been called up before in 2010.
Mr Ng Boon Gay was then Director of the Criminal Investigation Department.
As the Corrupt Practices Investigation Bureau (CPIB) had explained, it doesn't matter who you are.
When there's an allegation of graft, action is swift.
And so it was in 2010 when the CPIB called in a number of senior police officers.
Top cop in CPIB probe was questioned in 2010
