Possible Clues:

• Admit rice is rotten – it's fatal for mother
• Bedding edge will do for mother, they say
• Killer's aim with direct shot
• Killing of one's mother
• A term I devised to describe department investigating murder
• The killing of one's mother
• Taking the old lady out?
• State detectives looking into colleague's murder
• Murder of one's own mother
• Murder of one's mother