http://www.csmonitor.com/2005/0126/p15s01-wome.html?s=hns
"A squad of bomb-detecting dogs boost public security despite initial doubts of the The Israel Defense Forces (IDF) and police force. The police were concerned that the general public might be afraid of large dogs on buses. The IDF expressed doubt over the effectiveness of using dogs as the sole means of detection. But not only was public reaction overwhelmingly positive, but also in "hide and seek" trials, the dogs were 100 percent effective in locating hidden explosives."
