The legal Process is the punishment, not the conviction. Even if you are cleared, it will still end up costing thousands to defend. A good lawyer is not enough, a lawyer must be engaged in your case, and take a pesonal interest.
Sounds like your brother is a shit rat. I hope now your parents will show him the door. Bringing stolen property into the family home. Never shit where you sleep! Good luck, this court case will drag on for a least a year.