i say if they wont let you on there land. make darn shure they are not coming on your land. as for theves stealing you blind, i wont tell you what i would do out of fear it would get me banned from the site.
learn as much as you can about food plots and make one. also if you can make a dam in one of the creeks on you land do it. with food and water on your land and less hunting pressure the big buck will more than likley stay on your land and off of your nabors, giveing your son the advantage on getting this buck.