The most common and most likely answer to this crossword clue is the 6 letter word MULLAH
M
U
L
L
A
H
More clues leading to the result MULLAH
- Expression of surprise on Scottish island when there's murder
- Allah’s interpreter in a hotel on Scottish 20
- Point that’s surprising preacher
- Ponder with a hard Islamic teacher
- Muslim theologian’s soft muslin cloth is placed on a bench finally
- Theologian I see on a Scottish island
- Ponder case of amateurish teacher in madrassa
Buddy explains!

The straight part
We know that "murder" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case murder = mullah.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MULLAH mean?
MULLAH noun- A religious scholar and teacher of sharia law.
- To grind up into, or as if into, powder.
- To beat; to thrash (a person).
- To defeat or destroy utterly (as in a sport or competition).