Last week my mother passed away. Turns out she had a hardcore heroin problem she kept a secret from me.
My issue is her bedroom is absolutely full pills, needles (used and unused) and other paraphernalia. What would be the best way of cleaning the room out? Is there some sort of service to remove stuff like that?
The safest thing you can do is take them to a hospital. They have all manner of safe biohazard and drug disposal facilities. The downside to this is that law enforcement might catch wind. There is a possibility, depending on local laws, that some or all of your mother's estate could be seized under the claim that it was paid for through illicit activities (in this case, drug sales). You really, really don't want to go through the process of challenging civil forfeiture.
The second best thing you can do is dump it quietly, taking appropriate precautions so that trash workers don't get suspicious and/or injured. Putting needles inside of a thick-walled plastic jug (like the ones Arizona iced tea is sold in) is particularly safe. Just make sure it doesn't get mixed in with your personal trash so that it doesn't get traced back to you.