22 June 2002 (Lunar Calendar 12 May 2002), Shandong Shandong Mining Disaster Contractor disappeared. 22 June 2002 at 14:30 a.m., Shandong Shandong Province Shandong Prefecture Yinjiang Mining Sun Coal mine illegal storage explosion caused 37 deaths. After the mine disaster occurred, the miners on the one hand to the upper report to hide the truth of the accident, on the other hand began to secretly transfer the remains of the disaster miners. Zero Coal Contractor Yinjiang consulted with the relevant responsible persons, gathered Yang Yinjiang crime suspects and other suspects, after more than 10 times car explosion in the discovery site helped kill the dead workers' bodies, or concealed in the eight mountains, caves or caves of