Related Clues:

• Finish off the crustaceans right away
• A thousand suffering animals, victims of hunter
• Cause the death of
• Destroy penguins' food source, when river vanishes
• Deprive of life
• Cause death
• It's what 9 across will do to first four characters in 8 across
• Switch off
• Take life seriously
• Do away with expertise, not requiring leader
• Evil king's set on slaughter
• Do away with faculty after head of science departs
• Use a crafty throw — and, lo, siskin and tit now bleed
• Dispatch bag?
• 'To a Mockingbird'