Personally, I'd say the dam burst back in 2005, but nobody cared.
Among 239 'coincidences,' two of the accusers from around that era, who didn't know each other and who didn't know that the other was speaking to police or friends, told police and/or friends and family that it started when Cosby stood behind them and started massaging their heads, telling them that he concentrated better that way.
That led to Cosby grabbing the women's hands and forcing them to his crotch.
Just one of those everyday coincidences. Happens all of the time.
I think we will see many more girls/women now come forward with corroborating stories. I wonder if Cos will go recluse now?