They originally said he was a taxi driver...could this be the guy?
http://www.pabulletin.com/secure/data/vol34/34-28/1263.html
Scroll down...
"Charles C. Roberts, III"
I think could be his father, the monster is the IV.
Does this mean his father is Amish? This opens up a lot of questions. Were his parents divorced when he was 12? Were they shunned?