[VOA]

American Gunfight : The Plot to Kill Harry Truman--and the Shoot-out that Stopped It
by Stephen Hunter, J. S. Bainbridge

http://www.amazon.com/gp/product/0743260686/qid=1139864851/sr=2-1/ref=pd_bbs_b_2_1/103-8757544-7920640?s=books&v=glance&n=283155

[Tijeras_Slim]

Just finished it last week.

[July 4th]

There's also the case of the Puerto Ricans who wounded 5 congressmen at the Capitol in 1954, shooting from the gallery.