they have been indignant, that such methods could be used, but they have hardly asked themselves, how it came to pass, that they were used, even though they would necessarily shed a sympathetic light upon the victims and an equally unsympathetic light upon those using such methods.

Write the above sentence using proper case.
They have been indignant, that such methods could be used, but they have hardly asked themselves, how it came to pass, that they were used, even though they would necessarily shed a sympathetic light upon the victims and an equally unsympathetic light upon those using such methods.