'Marked with the sign of faith'

Bishop David O'Connell is one of few American bishops to suffer homicide. Here are the others.

Catholics across the United States have expressed shock and devastation at the killing of Los Angeles Auxiliary Bishop David O'Connell over the weekend.

The bishop was found shot to death in his home on February 18. A suspect has been arrested, although the suspect’s identity has not been made public. A motive for the shooting remains unknown.

While the k…