Things that likely have directly killed more people than Armed Civilians:Okay, so McDonalds was basically a tool to say Diabates/Heart Disease. These stats are all in the year 2015.
http://www.gunviolencearchive.org/Total Gun Deaths in 2015 - 12,370
Subtract Accidental Shooting - 10,595
Subtract Defensive Use - 9,445
Subtract Officer Involved Incidents - 5,371
Officer Involved Incidents - 4,074
Sure, you win. Aggressive shooters kill more people than Police Officers, barely.
http://www.cdc.gov/nchs/fastats/deaths.htmHeart Disease Deaths - 2,596,993
Aggressive Shooters - 5,371
http://www.cdc.gov/drugoverdose/data/overdose.htmlBig Pharma Deaths: 44 A Day * 365 = 16060 Per Year
Aggressive Shooters - 5,371
I couldn't find any credible, accurate sources for Drone Strikes (Wikipedia), but I kinda doubt that it is lower than 5,371, but probably not if you count the amount since 9/11 (In which isn't fair, because we are counting aggressive shooters for 2015). Anyway, this number is likely to rise soon, not above 5,371, but maybe into the thousands because of the US Strikes on Syria.
Edited 12/8/2015 03:06:37