Three teenagers face manslaughter charges because of the death of assistant referee Richard Nieuwenhuizen. The kids have to appear in court Thursday 6th of December for the first time. A judge will decide if the detention of the suspects will be extended. The prosecutor already announced will then officially be charged with manslaughter, assault and public violence for alleged involvement in an incident last weekend after the match between youth teams form Buitenboys and Nieuw Sloten. In the Dutch referee system it’s common that parents or club members officiate as a linesman on almost all amateur levels. Buitenboys linesman Nieuwenhuizen was flagging his son’s match and afterwards he was beaten…