Nice 3/4 view through break in trees of U.S. Capitol Building in Washington, DC. Title card. VO: "Senators probing influence of 5 percent agents on government contracts..." Rear view LS crowded, smoky congressional hearings room. MS U.S. Army Brigadier General and "suspended Chemical Corps chief" ALDEN H. WAITT standing with right hand raised, being sworn in to testimony. TLS Senators on panel. MS Brig. Gen. Alden H. Waitt testifying: "I was preparing that for General Vaughn to present to the President and that was the third person... I prepared it in a way so that Gen. Vaughn could have gotten my opinion and presented it to the President." Rear view LS smoky, crowded congressional hearings room. MS U.S. Senator JOSEPH MCCARTHY (R-WI) smiling, seated beside unidentified white female Senator. High angle TLS white male reporters seated at tables in gallery, one lighting cigarette. MS former Agricultural Department official Herbert Hathon (sp) testifying: "He said I've discussed this with the secretary and he said I would like you to do something to remedy the situation." TLS Senate committee panel, Senator Joe McCarthy seated second from right. MS Herbert Hathon testifying: "I think that he felt that I was not cooperating... My impression was that he inferred that he could help me or be detrimental to a career in government."