with advil liqui-gels. >>> police had reached a startling conclusion, karen pannell did not write thekiller had. but those three letters were still a gift to police because investigators figured he had the know both karen and roc. detectives started questioning the other men in karen's life. >> karen had nicknames for her boyfriends, car guy, tim permenter. another dr. pilot. >> dr. pilot, a british airways captain had recently been sending karen romantic texts. but he was aboard a flight over the middle east when karen was killed. so he was ruled out as were most of karen's known male friends, all can prove they were nowhere near her house in oldsmar that night. every boyfriend except car guy, tim permenter reported finding her body. >> is she conscious? >> i don't know. >> is she breathing? >> i don't know. >> tim would later tell detectives he had lost the love of his life. the woman he was hoping to marry. but the people who knew karen best started telling police a very different story. >> i'm not sure why she stayed in that relationship or began a relationship like that. >> the r