If you have a chance please GOOGLE "Bill Duffy, grappling BJJ Kimura, Law Enforcement" . To be able to check out Bill training and experience to include videos of Professor Duffy competing both Gi and No Gi. The videos include a GROUND FIGHTING classes to Law Enforcement in 2004 where you ll see Bill roll with 15 Officers ranging in size from 300 and down. The professor is only 5 7 abd weighs 160. Great EXAMPLE OF THE POWER OF BRAZILIAN JUI JITSU.
Bill is responsible for writting the lesson plan and teaching the 1st "Ground Fighting " classes to Law Enforcement at the Police Standard and Training Academy State of NH He was one of only a handful of GRACIE CERTIFIED G.R.A.P.L.E. Instuctor on the East Coast in 2000.
