SFist's thinner, younger, and more attractive brethren over at UC-Berkeley want you to be on the lookout for this guy (at left) who has been sexually assaulting dames near Greek Row (or whatever it's called) near Cal. He preferred method is to approach the female prey from behind and lift their skirts.

The Clog goes on to report that "he tends to attack between 10 p.m and 3 a.m. on the south side of campus. He’s described as white, in his 20s or 30s, around 5 feet and 10 inches. He is of medium build and has short, dark wavy hair." So, if you see this guy coming at you from behind in a most vulgar fashion, be sure to scream, run, and/or stab him. But, as always, use caution.