Police Operation is a science fiction novella by H. Beam Piper first published in 1948.
Hunting down the beast, under the best of circumstances, was dangerous. But in this little police operation, the conditions required the use of inadequate means!
Police Operation is a parallel Earth story, a cop from an alternate Earth is trying to fix a screw-up on our world without being too obvious about it.
Police Operation was first published in Astounding Science Fiction, July 1948.