Complex sentence: In the U.S., PROs are often criticised for using heavy-handed tactics to "extort" money from stores which play music, sending lawyers in to demand payment "or else"--even having federal marshals raid stores to take money from the registers.
Split into simpler sentences: In the U.S., PROs are often criticised for using heavy-handed tactics to "extort" money from stores which play music. These tactics include sending lawyers to demand payment and even having federal marshals raid stores in order to take money from the registers.