I think you should make every attempt possible to press charges. It will be a tough case, but you never know, if he gets scared he may admit to it. Also, try to get your friend to testify as to what they saw when they came in and got you. This may help support your case. Don't give up!! If you don't try to do something, then you let him win. Since you said you still talk him try to see if you can get some more of those pills. Don't take them. Have your mother take them to a lab to have them examined and see what it was. If you can prove they are something that "makes you out of it", you can strengthen your case. Of course don't do anything that's gonna get you in trouble. If they try to make you buy them, then don't do it. I will keep you in my thoughts and I hope everything turns out as it should!!