Helen Prejean — American Clergyman born on April 21, 1939,

Sister Helen Prejean, C.S.J., is a Roman Catholic nun, a member of the Congregation of St. Joseph and a leading American advocate for the abolition of the death penalty... (wikipedia)

Allowing our government to kill citizens compromises the deepest moral values upon which this country was conceived: the inviolable dignity of human persons.
The important thing is that when you come to understand something you act on it, no matter how small that act is. Eventually it will take you where you need to go.