SHEBOYGAN, WI (WHBL) - A Sheboygan woman is facing felony charges for abusing her 13 year old daughter and 11 year old son. 31 year old Christina Serna was charged Monday in Sheboygan County Court. According to the criminal complaint, police began investigating last week after social workers expressed concerns about Serna’s four children showing signs of fleas and scabies. The daughter then told officers that her mother was constantly drinking and has choked her and pulled her hair and slapped her younger brother. Serna is facing up to 18 years in prison if convicted.