` Cameron Todd Willingham was executed in 2004 for killing his 3 children . Innocence Project asks that prosecutor in 1992 case be investigated . Comment: John Jackson says he tried to protect informant after case , not coerce testimony .
Cameron Todd Willingham was executed in 2004 for killing his 3 children . Innocence Project asks that prosecutor in 1992 case be investigated . Comment: John Jackson says he tried to protect informant after case , not coerce testimony .