Angers police officer requiring information leading to armed criminal (8)
I believe the answer is:
gendarme
'angers police officer requiring' is the definition.
I can't tell whether this definition defines the answer.
'information leading to armed criminal' is the wordplay.
'information' becomes 'gen' (gen can informally mean information).
'leading to' means one lot of letters go next to another (some letters go before or lead others).
'criminal' is an anagram indicator.
'armed' with letters rearranged gives 'darme'.
'gen'+'darme'='GENDARME'
Can you help me to learn more?
(Other definitions for gendarme that I've seen before include "French Connection cop" , "policeman in Paris?" , "Law enforcer" , "see in Paris!" , "Foreign policeman" .)