A 35-year-old Wasilla man has been arrested for sexually abusing a teenage girl over the past three years, according to dispatch from the Alaska State Troopers.

Troopers were first notified of the abuse early Tuesday morning when a woman reported that her 17-year-old daughter, who is pregnant, told her that Eric James Peterson could possibly be the father of the baby.

According to court documents, troopers interviewed the woman about an hour later, where she detailed a pattern of abuse from Peterson, who has been her live-in boyfriend of more than six years.

In a subsequent interview with the victim, troopers discovered that Peterson had been sexually abusing the teenager since she was 14. She told troopers that the abuse carried on every week or two until about a month ago, when she started feeling sick. After going to the doctor, she discovered she was pregnant.

The victim told troopers that Peterson had been the only person she'd had sex with without protection. She said he took photos of her without clothes on and had her watch porn on his laptop before the assaults.

Around 3:15 p.m. on Tuesday, after the interviews with the woman and victim, troopers were granted an electronic recording and surveillance warrant. Less than an hour later, troopers had the victim call Peterson while they recorded the conversation.

During that phone call, Peterson "admitted to having sex with [the victim] and they talked about him thinking he was sterile so that is why they didn't use protection," the court documents state.

Peterson said over the phone that he would probably go to jail.

Around 6:10 p.m. on Tuesday, troopers arrived at Peterson's residence, where he was arrested at the door. After being read his rights, Peterson admitted to having sex with the victim, the court documents state. Troopers were granted a search warrant about 20 minutes later and proceeded to search Peterson's residence.

Peterson is charged with three counts of first-degree sexual abuse of a minor for abuse when the victim was 14, three counts of first-degree sexual abuse of a minor for abuse when the victim was 15 and three counts of sexual abuse of a minor for abuse when the victim was 17.

According to AST spokesperson Timothy DeSpain, the investigation into Peterson is ongoing. He said a decision was made to make a quick arrest based on probable cause and the desire to keep the victim, her family and the general public safe.

Editor's note: This story has been edited to include the first and middle name of the accused offender.

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