If it is to join the European Union, Turkey needs to tackle corruption and clean up its security service and police. It says it is trying. Recent events raise some doubts.rnAn appeals court last week quashed the convictions of a senior police officer, an intelligence man and 12 others for membership of a gang that trafficked in heroin and arms, laundering the proceeds in casinos in northern Cyprus. The two senior men had each been sentenced in February to six years in prison, and the case had been seen as a test of Turkish resolve to punish members of the security forces and other senior officials and politicians tainted by large-scale corruption or linked to the killings of Kurdish dissidents by death-squads. But the appeal judge said the investigation had not been thorough enough, and demanded are-trial.
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