Thu? crack ?????n? t?nd? t? be ?h????r, quicker ??t?ng, ?nd th? h?gh l??t? for any shorter period of time ?f t?m?, when compared t? inhaling ??wd?r copyright.Legislation enforcement officials believe that China is the first source of illicit fentanyl, the place it might be developed in labs with no federal government oversight and shipped to Americ