stealing bundles of notes worth £ 30,000 from the home of a suspected criminal .
detective sergeant stephen phillips , 46 , and police constables christopher evans , 37 , and michael stokes , 34 are all facing charges of ` theft by a serving police officer ' .
cardiff crown court heard that the three officers from south wales police were all arrested as a result of an investigation being carried out by the force 's professional standards department .