The difficult fight against counterfeit drugs  Dr. Sanjay Gupta
investigates fake medications on his first assignment for "60
Minutes"  There is a new front in the war on drugs, and it's not
the kind of drugs you might think. We're not talking about
cocaine, heroin or methamphetamines. This is about drugs that
could wind up in your medicine cabinet: counterfeit prescription
drugs, made with cheaper - sometimes even dangerous -
ingredients such as highway paint, floor wax, and boric acid.
Criminal counterfeiters will go to any length to evade
detection. We found a shadowy network of criminals with made-up
names, constantly changing locations and lots and lots of money:
an estimated $75 billion a year.  "60 Minutes" and CNN's Dr.
Sanjay Gupta got the chance to observe a surprise early morning
raid in Lima, Peru. Some 200 police in riot gear stormed an
indoor market. Their target: counterfeit prescription drugs. And
they found them everywhere.  There were crude packaging machines
and silk screens with imprints