Sex with one daughter and he gets custody??

This is a news story about a 12 year old dutch girl who gave birth. Although a little sick nothing hugely groundbreaking there, until you read they think it may the father. The father who already did two years for sexual assault on another one of his daughters. The father who won custody from the mother of the little girl. Wait what?? He spend time in prison for sexually assaulting his daughter and then they award him custody of another. Thats like you kid getting eaten by a tiger but you saying hey lets give the tiger another chance and send in your next oldest kid. What?