Premeditated - Brinsley, the Millers, Loehmann

There is no justification for any of this. All of these instances should be view as the same in my opinion.

premeditated
characterized by fully conscious willful intent and a measure of forethought and planning
http://www.merriam-webster.com/dictionary/premeditated



Ismaaiyl Brinsley - New York City
DEC. 20, 2014
Two police officers sitting in their patrol car in Brooklyn were shot at point-blank range and killed on Saturday afternoon by a man who, officials said, had traveled to the city from Baltimore vowing to kill officers. The suspect then committed suicide with the same gun, the authorities said.
http://www.nytimes.com/2014/12/21/nyregion/two-police-officers-shot-in-their-patrol-car-in-brooklyn.html?_r=0

Jerad and Amanda Miller - Las Vegas
JUNE 9, 2014
The couple set off on foot from their apartment building — she with a handgun in her purse, and he with at least one shotgun and hundreds of rounds of ammunition in a backpack, the police said. Just before noon, the couple entered a CiCi’s Pizza parlor, where Mr. Miller shot one officer in the head. Then the couple opened fire on the other.
http://www.nytimes.com/2014/06/10/us/couple-in-las-vegas-killings-embraced-anti-government-ideology.html

Timothy Loehmann - Cleveland
NOV. 26, 2014
A police officer who shot and killed a 12-year-old boy outside a Cleveland recreation center fired within two seconds after the patrol car he was riding in pulled up next to the boy, a video released on Wednesday by the Cleveland police showed.
http://www.nytimes.com/2014/11/27/us/video-shows-cleveland-officer-shot-tamir-rice-2-seconds-after-pulling-up-next-to-him.html