More than a year after the deadly earthquake that killed more than 53,000 people and ravaged southern Turkey, the prosecution of officials involved in the deaths has virtually stalled. To date, few proceedings have been initiated, despite evidence that authorities permitted and approved the construction of defective buildings that failed to withstand earthquakes.

Expert findings have been commissioned by prosecutors in hard-hit regions. The independent Turkish association Yurttaslik Dernegi (“Citizens’ Assembly”), for its part, asked…