hours", erin moriarty investigates the death of an olympian. >> reporter: in oxnard, california, dave lauts a hometown hero, an olympian who brought home a bronze medal in 1984. >> laut of the u.s.a. may be able to do it. >> leporter: but in the early morning hours of august 28, k09, laut was shot and killed in his own backyard. >> reporter: dave laut's wife jane told a 911 operator that a prowler attacked her husband. >> reporter: but not long after >>ve's death, jane admitted to shooting him herself. i notice you don't call this a crime scene. d it's not. it's not a crime scene. it's where a woman saved her life. >> reporter: defense attorney ron bamieh says jane hid years of abuse, but oxnard police abtective mike young says jane de a cold-blooded killer with an age-old motive. he was looking up divorce lawyers. >> there was some web activity of divorce lawyer research. >> reporter: six years after his death, jane laut stood trial for the first-degree murder of her rusband. now in her first television interview, laut tells "48 hours" what she says happened. why did you shoot him? >> wel

>> reporter: dave laut's wife jane told a 911 operator that a prowler attacked her husband. >> he wasot. >> you heard shots being fired? >> yes. >> reporter: but not long after dave's death, jane admitted to shooting him herself. i notice you don't call this a crime scene. >> it's in the a crime scene. it's a where a woman saved her life. >> reporter: a defense attorney says jane hid years of abuse, but oxnard police detective mike young says jane is a cold-blooded killer with an age-old motive. he was looking up divorce lawyers. >> there was some web activity of divorce lawyer research. >> reporter: six years after his death, jane laut stood trial for the first-degree murder of her husband. now in her first television interview, laut tells "48 hours" what she says happened. why did you shoot him? >> well, he was going to kill me. i didn't think i was going to live that night. >> reporter: you can see erin's full report tonight on "48 hours." >> ninan: up next, the pentagon recruits a few good these little guys? they represent blood cells. and if you have afib - an irregular heartbeat