Also by David Griffith

Just like every woman on every porn site is somebody's daughter, every bloody corpse on those graphic death sites is somebody's loved one.

It's critical that only the best warriors get promoted up the ranks in law enforcement. Wearing sergeant's stripes or lieutenant's bars on your uniform has to be about more than just time served or passing a test.

ADSI, which specializes in the production of transparent and opaque armor for the U.S. military and the engineering of shooting ranges, has teamed up with an undisclosed German company to create one of the world's most sophisticated and versatile live fire simulators, the T2 Training System.

These shooters didn't know the officers they killed; they just knew they were officers. All they saw in their sights were badges.

Back in the late 1970s when the National Shooting Sports Foundation (NSSF) established a trade show for the hunting and firearms industry, no one could have predicted that the exposition would become a major stage for the unveiling of law enforcement products. But that's what the Shooting Hunting and Outdoor Trade (SHOT) Show has become.

It's pretty hard to find the right gift for anyone this time of year. Buying gifts for cops is especially difficult. That's why the editors at POLICE have assembled this quick look at a dozen great gifts that any cop would love.

Today, law enforcement lightbars are becoming even more high-tech with the adoption of light emitting diodes (LEDs) and computer controls. Many lightbars also now feature modular design that allows an agency to replace and repair modules rather than the entire system.

Even though it was toward the back of the exhibit hall, it was hard to miss Oshkosh Defense's new Tactical Protector Vehicle (TPV) at this year's International Association of Chiefs of Police show. It's an imposing vehicle.

Like civilians trapped in a store, bank, or restaurant when a gunman barges in and starts shooting, the Fort Hood soldiers were left with their bare hands as their only weapons.

Read about this year's innovative computer software that makes your job easier.

More officers may choose to leave their vests in their lockers on hot days or just choose not to buy them.

For now, the question that some industry experts are raising about this new NIJ standard - at least off the record - is one of necessity: Was it really necessary to change the standard?

Lt. Col. Dave Grossman, author of the Pulitzer Prize-nominated book "On Killing," has some harsh truth for any American who believes that the war on terror and the war on crime are over.

More than 60 officers attended an Active Shooter Panel discussion at TREXPO East, participating in a lively discussion of how to respond to lone gunmen, coordinated attacks, and even terrorist incidents.

TREXPO East 2009 offered three days of classes covering topics ranging from knife defense to European tactical medicine techniques. Some of the best classes during this year's TREXPO East conference focused on terrorism and its effects on front line officers.

A tactical law enforcement trade show like TREXPO East tends to attract some fairly innovative tools. Walking the aisles, you could see the latest tactical vehicles, weapons, communications, and apparel. Here's a quick look at some of the things that caught our attention.

Currently, biometric systems are being used every day by officers in two distinct missions: security and identification. And they can be very useful.