The most common and most likely answer to this crossword clue is the 3 plus 3 plus 2 plus 3 letter word EYE FOR AN EYE
I've seen this crossword clue in Financial Times
E
Y
E
F
O
R
A
N
E
Y
E
More clues leading to the result EYE FOR AN EYE
Buddy explains!

The straight part
We know that "14 justice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case 14 justice = eye for an eye.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.