The president of the chapter has been charged with multiple felonies related to drug possession and drug distribution, but not with spiking the women's drinks.
http://news.msn.com/crime-justice/mi...s-drug-charges
(He is 28 years old, BTW. WTF? That's awfully old for someone to be in an undergraduate fraternity. Add his age and his drug use/distribution together and it's a very sketchy situation.)