and yet, somehow, debbie kelly and lars ipso made it work. or, so it seemed. until a gunshot ripped through the night, leaving debbie dead and a family racked with doubt. was her death the case of mistaken identity? or the bloody end to a marriage gone bad? here is andrea canning with "the silhouette." >> reporter: what happened inside this house would destroy everything the woman who lived there had worked for. she finally had it all. the career, the dream home, the marriage she'd waited so long for. >> there was a brightness in her eye. >> i trusted that she knew her heart. >> they were in love. there's no other way around it. >> reporter: her life, now complete. fulfilled. safe. >> we never worried about her. >> reporter: but was it all an illusion? >> send an ambulance, please. >> reporter: what happened that morning, in the predawn hours in the dark? >> right in the friggin' chest. >> reporter: the women at this san anton san antonio racket club say you can tell a lot about a person by the way they play tennis. >> i think tennis, in general, just really br