From the Pittsburgh Post-Gazette:
An aide to a McCandless state senator known for her tough stance on sex crimes was arrested late Thursday on accusations he propositioned a 15-year-old over the Internet.
In a series of instant messages and online chats, Alan David Berlin, 40, of Carlisle, discussed dressing up in animal costumes and engaging in various sex acts with the boy, the state attorney general's office said yesterday.
[snip]
Investigators believe Mr. Berlin and the boy met on an Internet site for "furries," an online community of people who adopt half-animal, half-human personas.
In one message, according to the complaint, Mr. Berlin requested pictures of the boy and wrote, "When will your folks be out?"
Other messages describe various sex acts in explicit detail and refer to "yiffing," which is a "furry" term for having sex.