Cluster killings of more than one officer helped make 2010 a particularly dangerous year for law enforcement. Deaths in the line of duty jumped 37 percent to about 160 from 117 the year before, according to a nonprofit that tracks police deaths.
msnbc.com: Top msnbc.com headlines, NBC News
Tue, 12/28/2010 - 9:11am
Cluster killings of more than one officer helped make 2010 a particularly dangerous year for law enforcement. Deaths in the line of duty jumped 37 percent to about 160 from 117 the year before, according to a nonprofit that tracks police deaths.