הַצִּ֘ילֵ֤נִי מִדָּמִ֨ים ׀ אֱֽלֹהִ֗ים אֱלֹהֵ֥י תְּשׁוּעָתִ֑י תְּרַנֵּ֥ן לְ֝שׁוֹנִ֗י צִדְקָתֶֽךָ׃
Deliver me from bloodguiltiness, O God, Thou God of my salvation; so shall my tongue sing aloud of Thy righteousness.
Read halakhic rulings (Jewish law) on Psalms 51:16: and classical halakhic sources.