Edwards, a death penalty supporter, conceded that "serious steps" need to be take to improve the system so that innocent people aren't condemned to death.

CNN: Dems take Bush to task over proposed amendment

"Innocent people don't behave the way they behaved, " he said.

BBC: Birmingham terror suspects 'told outlandish lies'

We don't want to condemn people who are totally innocent.

CNN: Eileen O'Connor looks at the hijackers' trail

"Listening to the victims, I can't begin to understand the pain I inflicted on these innocent people, " Rudolph said in his statement, which he read after 14 victims or their relatives read statements.

CNN: Rudolph apologizes for Olympic bombing

"The Republicans can't win by attacking this policy because they're attacking people who are innocent of any crime -- just being with their parents, " Schiller said last week about the administration's halt in deporting some young immigrants who came to America as children and were good students or served in the military.

CNN: Romney, GOP struggle with immigration issues