I had a situation a little while back when someone sold me 200k starwood and 500k amex transferred to delta miles from someone I knew. He transferred the points to my miles' accounts. Several months later, after a falling out we had about a different issue, he reported never having authorized the transfer and as a fraudulent action. The points were then removed from my account and returned to his. I did not take this sitting down, I fought it as much as I could. But I only got as far as having the delta miles frozen in his account as well, so that he cannot use them either, but the starwood he transferred immediately to AA and I was unable to do anything. I cannot take this to court because I trusted him and nothing was written (I have learned my lesson there!) and it is his word against mine (although how could I have gotten into his account to transfer the miles? and why didn't he notice it for so long? his whole story doesn't make sense). Any ideas of how to get my miles back? TIA.