Ft Worth police officer shoots woman to death inside her home

So out of 1 million police, 40-50 are killed in a year.
Out of 320 million people 1500 are killed a year.

Unless I am missing something it seems like police are exponentially more likely to be killed than police are likely to kill - like 10,000 times more likely.


What am I misunderstanding here?
Well, basic math for one.