i had one when i was a kid, i loved her, but she was VERY territorial. hated all other animals, killed cats, a dog. she didn't like strangers. you couldn't even come in my room at night. she would never have hurt me, but she would have hurt someone eventually. my parents got rid of her after she bit a girl who had come to the house.
she was never abused by us. i've had friends who had pits too, and it always seemed like the females were worse. i have seen some that were as gentle as a kitten. before you get one, check on the temperment of the parents. good luck.