2007年6月23日晚23时许,廊坊市广阳区九州镇九州一村发生一起特大持枪杀人案,犯罪嫌疑人作案后逃离现场。廊坊市公安局刑警支队警犬基地接到指令后,带犬民警迅速携带警犬赶赴现场。经现场勘查,确定3名死者分别死于九州一村南北马路的不同位置,现场指挥部决定使用警犬搜索寻找是否还有其他受害人以及犯罪嫌疑人遗留的枪支、血衣等物证并确定其逃跑路线。 On the night of 23 June 2007, about 23 p.m., a large-scale gun-killing occurred in Kyushu-I Village, Kyushu Town, Langfang City, and the suspects fled the scene after committing the crime. Langfang City Public Security Bureau police detachment police dog base received instructions, dogs with dogs quickly brought police dogs rushed to the scene. After the site investigation, it was determined that the three dead were respectively killed at different locations on the north and south roads of Kyushu Village. The on-site command decided to use the police dog search to find out whether there were other victims and evidence of guns and bloodclothes left by the suspects and to determine their escape route .