Possible Clues:

• What the Grim Reaper represents
• Its stroke is 'as a lover's pinch, which hurts, and is desired,' per Cleopatra
• "Murder by __": Neil Simon comedy
• Kitchin recorded his aunt's
• Cyanide at home: this result, if taken internally?
• Word in many whodunit titles
• Done to __: repeated too often
• The Da follows 24 across
• ___ by chocolate (calorie-heavy dessert)
• Uncertain date for introduction to heaven (or alternative)