officer down

In the seventh year of Bush's presidency, there were 77 cop killings, by our definition. So far this year, Obama's seventh in office, there have been 35. Statistically speaking, we're on pace for a total of 52 in 2015, which would be the lowest total in this century.
SAN FRANCISCO (AP) -- A San Francisco Bay Area police sergeant was shot and killed during an early morning traffic stop Wednesday