A female police officer from Mombasa was on Thursday, September 12, arrested on suspicion of stealing Ksh416, 000.
The cash was an exhibit in a graft case she was investigating.
Lilian Joan Simiyu, who was deployed to the EACC offices in Mombasa, was also accused of destruction of exhibit.
The suspect is being held at Central police post as investigations into the alleged theft continue.
Police say she will be arraigned once the probe is complete.