I read that in the book unrepentant by Peter Edwards. HA bikers were picked up on a wire discussing it
Below is a link to the page in the book:
https://books.google.ca/books?id=T0-PDQAAQBAJ&pg=PA263&lpg=PA263&dq=%22Paris+did+punch+out+Scarcella%22&source=bl&ots=EoKUBpeCc-&sig=iCShwVTwTAxoVvTTFeyaCcRMFNA&hl=en&sa=X&ved=0ahUKEwiYz_veu-fVAhVK_4MKHX0FDw0Q6AEIHTAA
If the link doesn't work, I'll try to find one that does and then edit the post.
