Editor's note: This story contains graphic details.
A suspected child rapist in Bucks County has victims dating back decades, authorities said Monday, and a written confession about a Christmas 2014 assault led investigators to him.
Bucks County District Attorney Matt Weintraub joined members of the Falls Township Police Department Monday morning to announce child rape allegations dating back as far as 40 years against William "Bill" Charles Thomas of Morrisville, Pennsylvania.
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"The human race hasn't come up for words to describe what we came up with in that trailer," said Lt. Hank Ward. "this is a parent's worst nightmare... it was horrific."
Falls Township Police first zeroed in on Thomas in November after receiving a call about sexually explicit writings found on a piece of plywood at the Midway Village mobile home park, said a criminal complaint obtained by NBC10 that contains graphic details of alleged assaults. Thomas had worked as a handyman on a vacant trailer and a new owner found the words describing the sexual assault of two young girls, including names, physical descriptions, parents' names and a date of an alleged assault — Christmas 2014 — police said.
The writer referred to his penis as "one-eyed Willie," police said.
Police compared the writing on the wood to numerous work orders written by Thomas to find that the writing matches, according to police.
Police interviewed the alleged victims but due to the trauma of their assaults, they didn't name Thomas directly by name, police said. Investigators described a lot of the victims as "broken people."
Investigators searched Thomas' home at Midway Village on Thursday and found more than 1,000 prominently displayed photographs and pictures that "depicted naked children, the majority of which were prepubescent" and some that chronicled "molesting," according to the criminal complaint.
Investigators also found writings dating back to the 1970s that documented molestation of children as young as 3 years old, police said.
They also found 500 to 1,000 pairs of prepubescent girls' underwear, some hanging above Thomas' bed, police said. They also uncovered toys and dolls, some with "aftermarket genitals which Thomas created."
"We don't know whether or not he was distributing it," said Weintraub at Monday's news conference.
The search also uncovered drug paraphernalia and baggies that tested positive for marijuana and methamphetamine.
Police interviewed Thomas, 58, Thursday and he admitted to having sexual attraction to children dating back to his adolescence. He admitted to pleasuring himself to the child pornography that he has gathered over the decades, police said.
He also admitted to sexually assaulting a family member and a couple children he babysat and also exposing himself to another child, according to police.
Thomas -- who grew up in the area -- remained jailed Monday on dozens of charges including child rape, according to court records. He couldn't be reached for comment.
Police looked into Thomas' past and discovered other allegations of sexual assault dating back to the the 1970s, when a man said Thomas sexually assaulted him when he was just 8 to 11 years old, police said. Thomas would have been 5 1/2 to 6 years older.
In 2010, police investigated Thomas' former Levittown home after a homeowner looking to flip it found "some disturbing items" including handmade "a child-size sex doll," Polaroids of naked children and graphic handwritten notes about performing sexual acts on young girls, according to the criminal complaint. No charges came from that early police report and some of the discoveries were made after police were alerted.
Back in 2000, Thomas was indicted for child abuse after he admitted to writing a graphic note and giving it to a child in Bradford County, Pennsylvania, police said. He told investigators he was taking drugs and on pills at the time and didn't mean to write the note. No word yet what came of that allegation.
Authorities said some of Thomas' past residences in Bucks County include a home on Pleasant Line in the Pinewood section of Levittown; Pennsbury Woods apartments on New Falls Road in Levittown; Midway Village mobile home park on Bristol Pike in Morrisville. He worked as a handyman and subcontractor while owing his own home improvement business called Thomas Construction.
Authorities urged anyone with information about other possible victims to contact Falls Township Sgt. Christopher Clark at 215-302-3315 and/or Bucks County Detective Lt. Robert Gorman at 215-340-8141. [[412906593, C]]