The facts are a little unclear here. Several variables. For starters, if the alleged abuse is serious enough, it may be a matter for the police. Also, if all 6 children are being abused, a report should probably be made concerning all of the children - either through the police and/or DFCS. Now, concerning his 2 biological children, is he the "legal parent'? - i.e., was he married to the mother at the time of their births, or has he completed a Court action for paternity/legitimation of...