shane ragland was charged with murder.ane was free pending trial which was a big problem for the ex- girlfriend who turned him in. police moved her to a slicker location and kept an eye on her. then, strange things started happening. >> we got information from our state police intelligence section that there was a hit out on this girl. the roof phone calls to her friends that would ask, have you seen her? do you know where she is these days? obviously trying to locate her. >> with all that going on, she had to do precisely what she did not want to do. go public. show herself and testify. the world would know that her name was amy lloyd. and she was truly terrified. >> amy goes public for the first time. basing her fears. and shane. coming up. >> >> she shot him. >> the defense hits back hard. >> if someone has actually told you they engage in killing of another person, and you continue a romantic relationship with them, that seems a bit odd. >> when "dateline" continues. but this is my story. ( ♪♪ ) and with once-daily tre