You cannot pray for God's protection of your land and shed innocent blood. If you support the shedding of innocent blood you are as guilty as the one shedding the blood. How clean are your hands?
5 For if ye throughly amend your ways and your doings; if ye throughly execute judgment between a man and his neighbour;
6 If ye oppress not the stranger, the fatherless, and the widow, and shed not innocent blood in this place, neither walk after other gods to your hurt: