The most common and most likely answer to this crossword clue is the 5 letter word INTEL
I've seen this crossword clue in Independent
I
N
T
E
L
More clues leading to the result INTEL
- During half term learner obtains information
- Dope's home telephone
- Spy provides this home phone number
- Sound of signal sent at regular intervals
- What the military gathers from mujahedin, tellingly
- Only some point elaborating military info
- Dope popular with half-cut teller
- Low-down beam, large only at one end
- PC may have this inside information
- Pound off top of door--what's inside?
Buddy explains!

The straight part
We know that "Dope" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dope = intel.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 INTEL mean?
INTEL noun- Intelligence (secret information)