Against the undocumented immigrant who shot and killed kate steinle. Saying the trial judge failed to give jurors complete instructions. Nbc bay area is live in San Francisco. This is a tough reversal for supporters of the steinle family. Reporter it is, jessica. This is the pier where kate steinle was shot and killed. Tonight the man accused of her murder wins in a victory in court because the judge didnt give the jury all of the facts. Kate steinle was shot and killed during a walk with her father four years ago. The disicharged inez garciazarate with her murder. The defense says he pd on piern it, and the gun went off accidentally, shooting steinle. A jury acquitted garciazarate after first and seconddegree murder, but found him guilty on a charge of a felon in possession of a gun. His attorney appealed. To be the the First District court of appeals overturned that conviction, saying the judge failed to instruct the jury to consider garciazarate only momentarily possessed that gun.