Roseville police have announced they are training a Drone Team that will use aerial flying cameras to support their daily fighting of crime in the city. The goal, according to police officials, is to improve search and rescue operations, find missing persons faster, and be more efficient at processing crime scenes.A Roseville police have three drones in their arsenal and theya re already in the process of buying more drones, including ones with an infrared camera that can help investigators search at night to spot heat sources.