Consumers of Child Pornography Were Abused Children?

At face value, this letter is pretty moving and makes sense for why someone would be interested in child porn:

The late Capitol Hill staffer Jesse Ryan Loskarn wrote a letter before his death apologizing for the hurt he caused with his arrest on child pornography charges and revealing that he was sexually abused as a 5-year-old.

Since it is the US Capitol, you have to wonder if there was something deeper going on-- a pretty sick place, where there may well be some sort of pedophilia cult, and was Loskarn a victim of something deeper? Who exactly abused him as a child? Hmmm....