Mercy Kill: Party of the reason Gregory Devry agreed to be killed by Reddignton was because he was terminal
Spare a Messenger: an assassin hired by Marcus kills Mr. Kaplan's cleaners with the exception of the boss in order to tell Reddington that his employer knows about his informant status with the FBI.
Spotthe Impostor: A strange example. Both the men claiming to be Raymond Reddington look different than one another. The problem revolves around the fact that they have so little solid information on Raymond Reddington that the task force can't tell if the person they know as Raymond Reddington was ever actually Raymond Reddington.