Hmm.... I think once the police raid your house and find nothing, they can't do it again. Well, at least here in Canada I believe. So, if you can get them over to your place when you don't have anything running, you could be safe afterwards.
Are they outdoors now? I'd throw them into the bush until things cool down. Check up on your sister and the "ex-bf turning you in" status. Your plants looked very healthy and happy.