The inspector began to look for fingerprints, while the constable checked that the front door locks had not been forced, thereby proving that the burglars had either used skeleton keys or entered over the balcony.

• 巡官开始搜寻指纹，警察经检查发现大门锁头并无撬过的迹象。由此可证明，窃取贼或者是用了万能钥匙，或者是翻越阳台进来的。