. >> one possible suspect was karen's ex-husband, jeff payne. karen was petitioning for higher alimony payments because of her recent diagnosis of multiple sclerosis. >> karen was concerned that her health insurance was not going to be sufficient to address all of her medical needs. >> but payne had an alibi. he was 300 miles away in miami when karen was killed. and police discovered that karen was dating a number of men at the time of her death. >> karen was seeing a british airline pilot. we learned of this pilot through some text messaging on karen's phone. >> hi, sex bomb, having a good day? miss you. just got back from rio. do i get to see you next week? >> the pilot had an alibi for the time of the murder. he was out of the country and was not considered a suspect. but someone else karen was dating had a violent past, news karen learned just days before her murder. hey guys! sorry we're late. did you run into traffic? no, just had to stop by the house to grab a few things. you stopped by the house? uh-huh. yea. alright, whenever you get yo