Show DYNAMITE CAUSED EXPLOSION such Is the opinion of grand jurors juror who are investigating the los angeles times time disaster los angeles cal the first stage of the grand jury investigation of the times time ol laster establishment of the fact to the sat satisfaction Is faction of the induisi tors that it was a dynamite explosion which wrecked the newspaper plant was completed friday the next move will be to name the conspirators responsible to fo the crime and to do this his the grand brand jury will have to wait for san francisco witnesses so tar far no summonses have been aera nerved d upon tiny any of the members of the named by the recent con bention of the building trades to in ill v esti gate the causes of the disaster although several of the committeemen said they were ready to appear both before the grand jury arid and at the coroners inquest this statement was made after the labor committee report had been made public |