### Clue: Homicide drowning novice in more rum (9)
### Answer: STRANGLER 
 ### Explanation: Definition: Homicide
 L(a novice/a learner, from the letter on the plate displayed by a learner driver) **contained in**(in) STRANGER(more rum/odder).
Defn: "Homicide", in old-fashioned/dated usage, is one who commits homicide.