Which part? The part where he says there are approximately 400 people killed by LE every year?
Yes, he clearly states a LE has a 1/4000 chance of being killed on the job.
All info from the UCR. Homicides only. There are approximately 500,000 LEO's in the United States. Somewhere around 150 are killed by criminal assault every year. That's actually about 1/3500, but I was being liberal. Of course, a huge percentage of those guys are things like Department of Agriculture Agents and administrators. The odds go way up for the average patrolman and special unit officer that initiate contacts with the criminal element.
"In September 2008, state and local law enforcement agencies employed more than 1.1 million persons on a full-time basis, including about 765,000 sworn personnel (defined as those with general arrest powers). Agencies also employed approximately 100,000 part-time employees, including 44,000 sworn officers.
"In September 2008, federal agencies employed approximately 120,000 full-time law enforcement officers who were authorized to make arrests and carry firearms in the United States."
"My message to my troops is if you see anybody carrying a gun on the streets of Milwaukee, we'll put them on the ground, take the gun away and then decide whether you have a right to carry it." - Milwaukee Police Chief Ed Flynn