dereck the son were accomplices according to court documents and law enforcement. why did they do it? money. pure and simple. they made about $4 million off the girls. paul fishman is the u.s. attorney for new jersey. his office prosecuted the case, rutting in convictions. >> i think it's hard for someone to believe that in the year 2010 we have people who will actually put people in slavery. it's the most fundamental and intolerable violation of human rights. >> reporter: a newark court recently sentenced akouavi afolabi to 27 years in prison. the father got 24 years and the son? 4 1/2 years. >> after all the promises she promised me, and then when i got here my life was messed up. i was too young, if i knew this was how my life was going to be, i would have never come. i would never let her take me.