Talmud Quotes:
Sanhedrin 57a:16
“With regard to bloodshed, if a gentile murders another gentile, or a gentile murders a Jew, he is liable. If a Jew murders a gentile, he is exempt”
Sanhedrin 57a:17
“With regard to robbery, the term permitted is relevant, as it is permitted for a Jew to rob a gentile”
Avodah Zarah 37a:1
“The Gemara explains the reason for this opinion: Since a nine-year-old boy is fit to engage in intercourse, he also imparts ritual impurity as one who experienced ziva. Ravina said: Therefore, with regard to a female gentile child who is three years and one day old, since she is fit to engage in intercourse at that age, she also imparts impurity as one who experienced ziva”