The most common and most likely answer to this crossword clue is the 5 plus 4 letter word CRIME WAVE
C
R
I
M
E
W
A
V
E
More clues leading to the result CRIME WAVE
- View short camera shot, in which a lot is crooked?
- One thousand English and Welsh dons long to see rise in vice
- Arachne cries, seized by desire for surge of naughtiness
- View contrived with camera endlessly revealing matter of concern to police
- Much offending staff about Paul’s prayer to follow
- Want to limit one call that keeps police busy
- What lands surfer in trouble with the law?
- Raw vice exploding around me?
- View a Merc that’s crashed — it keeps the police busy?
- Servicewoman expels son and organises a spurt in illegal activities
Buddy explains!
The straight part
We know that "that keeps police busy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that keeps police busy = crime wave.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.