failure of the prosecutors (and the San Francisco DA is a hard core Sanctuary City proponent... so it may explain why the prosecutor was horrible)
He convinced me why the jury came back with the verdict they did... Take a few minutes and watch
http://video.foxnews.com/v/5670460765001/?#sp=show-clips
http://www.foxnews.com/us/2017/12/06/alternate-juror-supports-murder-acquittal-in-pier-shooting.html