You need to let this dog settle into the house and your routine. Keep a very close eye on him and set yourself up to succeed. Don't put the dog in any situation where you have to trust it, because he will, more than likely, let you down and you will be to blame.
Decide as a family what the limits are to be and all stick to them so the dog is not being set up to fail. There will be the obvious mistakes and if the dog is permanently on kill-mode, then you have to be extra vigilant.
Get the dog listening to you on a one to one basis. No distractions and use rewards, either food or pra