Maryland police charged a black man with a hate crime after he allegedly spat in the face of a disabled white man and shouted all white people are evil.Marquis Evans-Royster, 27, walked up to a 52-year-old homeless disabled white man while on a city bus, WJLA-TV reported Monday. Authorities maintained Evans- Royster told the man he owed him because of slavery.You owe me for making my grandmother a slave, Evans-Royster said to the man.