After he died they would hold even more meaning so destroying would have made no sense. As to how they got into other people's hands well she is a celebrity I know that it is hard to believe but you can't trust all the people that work for you. It's pretty tempting when you are making hardly anything and you see how they live and some one comes up to you and offers you $10,000 for a piece of memorabilia and that is a third of your yearly salary.