Possible Clues:

• Many delay, sadly, and that's fatal
• Fatal attribute of French lady, perhaps
• Lethal or fatal
• Type of embrace encouraged by Mike Hammer
• Fatal delay, perhaps, involves a number
• Testament: "First Strike Still ___"
• Gluttony may be so fatal
• Silent partner?
• Absolutely empty lavatory is lethal
• With 111 Down, septet of vices