Answer: MISSMARPLE

AnswerCrossword Clue
MISSMARPLEBritish sleuth
MISSMARPLESpinster sleuth
MISSMARPLEChristie's gumshoe
MISSMARPLEChristie's female tec
MISSMARPLEAgatha Christie sleuth
MISSMARPLEChristie's genteel crime solver