Photography has always played a very important part in policing. In fact, photographs have many different functions in policing. It acts as a tool to solve crimes, when it can be used as evidence against a criminal. It also helps to deter crime when it is used as a public awareness medium. However the recent developments in photography has revolutionized policing and offers many advantages to the law enforcers to solve crimes.
             Perhaps the most important technological change that ensured the effectiveness of police photography was the fact that the police could use high speed films and cameras that could ensure good pictures even when the subject was moving or refused to stand still. This was in stark contrast to the earlier years when the culprits or suspects used to move deliberately in order to render the photograph useless and ambiguous. After the high speed films and cameras made their mark, the long distance cameras became a boon to the police department in their efforts at long distance surveillance and criminal monitoring. This was specifically required to track down prominent criminals and to keep a tab on their daily activities. The advent of the compact movie cameras also enhanced the effectiveness of the police and helped them a lot on their routine surveillance duties.
             The modern gadgets that are available to the police officers for recording the events in a crime scene are necessary to pinpoint the role of the criminal and to prevent his escape from the law. For example, the modern SLR (Single Lens Reflex) cameras allow police officers to shoot a scene in their perspective. This allows them to capture images of sensitive data which may be lost in conventional cameras. SLR cameras always are reliable when it comes to photographing evidence that may be liable to be lost soon from the crime scene, and so does not allow the officers with a second chance to shoot the scene. In addition, the digital technology also has rev...