The most common and most likely answer to this crossword clue is the 8 letter word ATHEISTS
I've seen this crossword clue in The Guardian
A
T
H
E
I
S
T
S
More clues leading to the result ATHEISTS
- Godless people engaged in robberies
- Who can’t believe theft taking place in volunteer service once?
- Godless individuals involved in robberies
- Heathens act heartlessly with robberies
- Godless found at armed robberies?
- Those who don’t believe attending robberies
- d. Faithless types witnessing robberies?
- Those disbelieving stats broadcast about Italy by ambassador
Buddy explains!

The straight part
We know that "Godless individuals" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case godless individuals = atheists.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 ATHEISTS mean?
ATHEISTS noun- A person who does not believe in deities.
- A person who does not believe in a particular deity (or any deity in a particular pantheon), notwithstanding that they may believe in another deity.