Organ donor's surgery death sparks questions

(CNN) -- Before dawn on her 57th birthday, Lorraine Hawks and her husband, Paul, piled into their brother-in-law Tim Wilson's Lexus in Pelham, New Hampshire, with Lorraine and her sister Susie in the back seat and the men up front. As the two couples drove to the Lahey Clinic in Burlington, Massachusetts, Lorraine and Paul teased Tim mercilessly.