He wasn’t testing the waters, he was already using the drugging/rape technique, he just didn’t get to use it on everyone, for instance Lou Ferigno’s wife was merely assaulted, not drugged and raped.
Some of the women were sexually assaulted, not all were drugged and raped.
Really, ansel 12 ... Did Bill Cosby do something to you? How do you KNOW this, outside of TMZ and The View? You seem extremely sure all this happened. But how do you KNOW?