San Antonio police said 52-year old Jose Webster met a 16-year-old mentally challenged girl In an internet chat room called Moco Space.
Investigators said in June he lured the girl to a bus station and took her to his south-side home.
According to his arrest warrant, he fondled the girl on several occasions over the next few months until she eventually moved in with him.
The girl allegedly told police he would give her money and buy her things which is why she kept coming around.
The girl also claimed Webster told her she would have to leave she didn't allow him to touch her.
The girl is believed to be pregnant but not by Webster. Their relationship apparently did not get that far.
Webster turned himself in when he found out the girl was reported missing.
He was arrested and booked into the Bexar County Jail on $50,000 bond.