prous cuters called the final witnesses to the stand, countering the defense claims.sed murder shayna human beingers in tear-- hubers in tears. they tried to paint the 4-year-old as a heartless, cold-blooded killer. >> i see no remorse. she picked up the gun and said what would you do if i -- and he smirked at her and she shot him. >> reporter: she says she killed her boyfriend, ryan poston with self-defense. she described the graphic details of shooting him six times during what she says was a heated argument. >> i shot him enough times to kill him. he was laying there still, twitching and making noises. and i shot him in the head. i gave him his nose job he wanted. zblechb if the jurors believe that the first go shots were self-defense. and she has four more shots to explain. including the one where she said she put him out of his misery. that is murder. >> e he just told me he couldn't get away from her. >> reporter: and he was supposed to go on a date with this former miss ohio the very night he was killed. >> i found him very entertaining. >> he seemed to be very