[C2-19] CE 769, p. 1; 4 H 320 (Lawson).
[C2-20] Details of the advance work done by Agent Lawson are set forth in his contemporaneous memoranda; CE 707, 768, 769.
[C2-21] 4 H 321-322 (Lawson); 2 H 107 (Roy H. Kellerman).
[C2-22] 4 H 322-324, 344-346 (Lawson).
[C2-23] CE 768, p. 9; see also 7 H 339 (Sorrels).
[C2-24] CE 770.
[C2-25] 4 H 323-324 (Lawson).
[C2-26] 7 H 334 (Sorrels).
[C2-27] See id. at 335; Sorrels DE 4, p. 1.
[C2-28] CE 769, p. 2.