this community, someone in that group is going to have had a friend, a loved one that has either had difficulty with a prescription drug or potentially died from that. >> aman's unit responds to 45 calls a month about overdoses involving these types of medications. and this is important -- it can be difficult to tell whether it's a painkiller or heroin because they come from the same ingredient and do the same sort of thing to your body. >> aside from needle tracks in the arms, someone who has had an overdose of pain medication like that or heroin, they could look very much the same? >> absolutely. they could be unconscious from a medication that they think is relatively safe for them because instead of getting it on the street, they get it from a pharmacist. >> 36, code green. >> possible drug overdose. these people are suffering from chronic pain. they know that a little bit of pain medication helps so maybe a