First, it is Zvi Turner not Ziv and Feldenkrais has his plate full trying to stay out of Prison. And it was Turner that brought Feldenkrais to the OWCP table with the Can It Industries nonsense.
Turner and Bignitz were involved in the OWCP share selling scheme from the beginning.
Turner is a serial scammer - several have attempted to defend Turner and it never ends well - see the infamous Traveler one despicable person that caused many shareholders to lose their investment.