Can you file for child support on a 16-year-old who is here illegally and if you do will he be deported or will he have to pay?

It hard to answer your question as it is not clear enough but I will try. I am assuming this 16 y/o is not your son and his father is an illegal alien. Unless the court has given you custody of your step-son then the father is not liable for any support. If YOU DO have custody then yes, he will have to pay and if he does not he can then be deported after being thrown in jail for non-support and contempt of court. That is up to ICE (INS). If YOU DO NOT have custody then you would obviously have to petition the court for it and wait for their decision. Please note that unless he is an unfit dad, the court will usually leave him as the legal guardian. If you want contact me at CandleFactoryCo@CandleFactoryCo.com