Here's what we know so far:

Charles Alan Wilson, 63, who allegedly threatened to kill Washington Senator Patty Murray over her support of the health care reform bill, reportedly lived on a fixed income (perhaps Social Security) and "recently had major health expenses for his teeth."

Gregory Lee Giusti, 48, who was arrested yesterday for allegedly threatening House Speaker Nancy Pelosi over her support of the health care reform bill, has reportedly lived in publicly-subsidized housing in San Francisco for the last ten years.