Levítico 5:3

3 or if they touch human uncleanness (anything that would make them unclean) even though they are unaware of it, but then they learn of it and realize their guilt;

3 Ou quando tocar a immundicia de hum homem, segundo toda sua immundicia, com que se faz immundo: e lhe for oculto, e o souber depois; será culpada.