http://uavactual.blogspot.com.es/2013/09/police-uavs-helps-on-decreasing.html
When disaster strikes, a quick response is necessary in order to save lives. In most cases, there’s a limited window of time for responders to rescue survivors, and often this window shrinks as it takes firefighters, police, and first responders use a great deal of time to gather information and plot a rescue strategy.