How to kill the person in your basement without getting caught

Step 2-steel

When You now know everything or almost everything about him you know what he has stolen if he has stolen or already has a weapon you need to get it from him so he can't attack you so you should know enough to get him out of the basement or when he sleeps and if u don't go back to step 1 you aren't ready for step 2 anyways once he's gone or asleep go and take the weapon(s) he has you can't get caught while taking them so be very quiet and quick although you should know how much time you have and how easy or hard it is to wake him up and this is important even though he will know someone took his weapon(s) and if there's more than you in the house he shouldn't know it's you