Those people upon whom Hajj is compulsory

Hajj with Haraam money

Q: Is a hajj that is performed by someone who's money is 100% haraam from selling drugs accepted, the person is a drug dealer. When the person is on Arafat is all his sins also forgiven when returning as a Hajji. Please give a detial explanation & what is the punishment.

Postponing Hajj due to Taking Care of one's Child

Q: My wife wants to perform Hajj with me leaving my son behind by some friends. She is still feeding the child. I am worried and do not want to leave the child behind as he is very sensitive and afraid of foriegn people. He wakes up at night and wants his mother all the time. I am trying to convience my wife to leave the hajj this year. Am I commiting a sin ? Am I obliged to take her with me for hajj?