Show MASON I 1 CASE TO BE TRIED denver july 12 tho the case of the united states against wm win it mason and joseph Vander welde charged with conspiracy to murder secret service agent joseph A walker who was shot and killed when inspecting property of the porter fuel company near durango colo several mouths months ago Is on the docket of the terms of the federal court which opens here tomorrow mason and Vander welde were acquitted of tho the charge of murder murber in the state court at durango and were immediately rearrested arrested re on a federal indictment their attorneys have filed a demurrer to the indictment arguments on which will ibe be heard this week aal if it Is overruled the case will bo be tried at once I 1 I 1 |