According to US Census, about 318,000,000 people in US.
According to FBI, about 700,000 Law Enforcement Officers in US.
About 1000 people shot & killed by police yearly.
47 cops shot & killed in 2014.
Chance of civilian getting shot & killed by cop - .00000314465
Chance of cop getting shot & killed by civilian - .00006714285
A working law enforcement officer is 21.4 times more likely to be shot and killed by the public than the public is by a cop.