1. get your son moved out into a safe confidential address.

2. fs knows where your son is a student. If her boyfriend gets nicked his mates will know where to look.

3. So if you tell the police, make sure you are completely satidfied that your son is safe.

3 (a) the police will probably have to do some investigating and observing before they do anything so time will be on your side.

3 (b) They will probably catch the bad guy by getting a new customer introduced to this guy and when the drugs come out so will the handcuffs - hence there will be nothing to implicate your son.

Cocaine, if you will pardon the expression, is not to be sniffed at and its dealers are generally remorseless sods, and at best associated with remorseless sods.

So there can be no indication that your son is a "grass".