The most common and most likely answer to this crossword clue is the 11 letter word INQUISITION
I've seen this crossword clue in The Guardian
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More clues leading to the result INQUISITION
Buddy explains!

The straight part
We know that "Getting people to talk" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case getting people to talk = inquisition.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 INQUISITION mean?
INQUISITION noun- An investigation or inquiry into the truth of some matter
- An inquest
- A questioning
- The finding of a jury, especially such a finding under a writ of inquiry.
- To make inquisition concerning; to inquire into.