First, you will have to file in the State where she resides. If possible, you need a good attorney, skilled in family law. If not financially possible, make sure to petition for custody, visitation, child support and a finding of paternity, at which time the court will order testing. The testing currently involves a cotton swap being inserted into the person's mouth and then sent to a lab.
Answered on Oct 14th, 2011 at 6:19 PM