Pick off
Pick off , transitive verb
1.
(Baseball) to put out a baserunner who is off base by tagging him/her, especially by a quick throw from the pitcher or catcher.
2.
to shoot so as to kill or disable, especially one by one from a position or in a situation where the target is unable to return fire at the shooter; -- used commonly of sniper fire.
The sniper picked off a dozen passersby from the tower before he was shot down by police.
3.
(Football) to intercept (a pass).