the m.i.t. police officer who sat in his patrol car on campus. they know they were both there but they don t know who pulled the trigger. on the boston marathon bomb it was clear that tamerlan pressed the detonator that caused the first bomb to go off but the government could not prove whether dzokhar tsarnaev had his own detonator or control or whether tamerlan pushed that too. that is why the heart of the government s case was they are in this too and that is the approach to the case the jury has accepted without reservation. right now we are up to 14 counts against him, found guilty. still dealing with any and all of the charges having to deal with april 15th. we are now up to count 15 where he has been found guilty. again, this has to deal with the date of april 15th. and we just want to make sure that we are giving you the date distinctions here because that was the date reporter: now the next the next couple of counts 16-19, as