Answer:

slain

AnswerCrossword Clue
SLAINKilled
SLAINAssassinated
SLAINLike two Kennedy brothers
SLAINMassacred
SLAINDone in
SLAINStruck down
SLAINGotten rid of
SLAINLike Grendel
SLAINMurdered
SLAINLike Lincoln