The most common and most likely answer to this crossword clue is the 9 letter word DESPERADO
I've seen this crossword clue in The Times
D
E
S
P
E
R
A
D
O
More clues leading to the result DESPERADO
- Outlaw ropes dead bucks
- Outlaw’s unfeeling ring captures northbound travellers
- Fuss follows despot giving away drug for every ruffian
- Outlaw some French and English in gallery
- Border guards sort of sense royal outlaw
- Bandit's gone round, holding sellers up
- For Poirot, some trouble following each villain
- Outlaw speed bumps on bendy road
- Time of special power, perhaps, in recollection of deviant criminal
- Maybe pirate radio dropped one after speed distributed
Buddy explains!

The straight part
We know that "Bandit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bandit = desperado.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 DESPERADO mean?
DESPERADO noun- A bold outlaw, especially one from southern portions of the Wild West.
- A person in desperate circumstances or who is at the point of desperation, such as a down-and-outer, an addict, etc.
- A person who is desperately in love or is desperate for a romantic or sexual relationship.
- A piece that seems determined to give itself up, typically to bring about stalemate or perpetual check.