But　like　all　great　men　…　and　the　Marquis　was　a　great　man　…　he　had　his　weaknesses。　He　fell　genuinely　in　love　with　Miss　Grey；　and　suspecting　her　liking　for　Derek　Kettering；　he　could　not　resist　the　temptation　to　saddle　him　with　the　crime　when　the　opportunity　presented　itself。　And　now；　Monsieur　Van　Aldin；　I　am　going　to　tell　you　something　very　curious。...