include cornel west immortal technique and archbishop desmond tutu will be speaking on video now dave lindorff wrote a book about the lumia case it's called killing time and investigation into the death row case of movie abu jamal dave is in philadelphia to speak more about this with us and david i know this is a case that you care deeply about you spent years researching and investigating it on this thirty year anniversary what is the thing you think people should know about movie abu jamal. well first of all he clearly had a trial that was a sham there were this. minute clear evidence that a lot of the prosecution witnesses were perjuring themselves and the other thing is that he has almost no way to get out of jail now short of a new witness coming forward because of the way our system blocks appeals by by people who are in these situations and as we know his appeal process has been blocked time and time again i talk about the system talk about i think that's one of the things that in the case that has really done it to it's drawn attention to a lot of the flaws in the u.s. justice system t