Leaving to USA with Recent FIR

There was a recent FIR filed against my son for entering into our house which is in dispute with the buyer who has never shown his face in court for 8 years , when we recently found that the house has been sold from a GPA(not the person that sold this house to us) holders family to someone else me and my son have taken position status and tried entering the house . they have filed a case against my son and he have visa interview in the coming month and is planning to leave as soon as he gets visa for his mastersHow will this effect his Visa and what should he do to leave to usa