4 hamlyn and kohl worldwide investigations the john hancock tower , 33rd floor 150 clarendon street boston , ma 02116 operative 's report to : mr. trevor stone fr : mr. jay becker , investigator re : the disappearance of ms. desiree stone february 16 , 1997 first day of investigation into the disappearance of desiree stone , last seen leaving her residence , 1468 oak bluff drive , marblehead , at 11 a.m. , est , february 12 .