By CBS13 Staff

SUTTER COUNTY (CBS13) — A 30-year-old Olivehurst woman has been arrested on suspicion of having a sexual relationship with a minor, authorities say.

The Sutter County Sheriff’s Office says, back on June 23, they got a report about an incident where an adult allegedly sexually assaulted a minor. Deputies talked to the minor’s mother and she reported that the boy appeared to have been having a sexual relationship with a co-worker.

READ MORE: Towering Rocklin Officer Didn’t Need Ladder To Save Senior Inside 2-Story Home

Further, the boy allegedly talked about a recent incident where he and woman crashed into a tree while driving due to them engaging in a sexual act.

READ MORE: Sacramento Parents Questioning Homecoming Vaccine Requirements

Detectives say they found evidence corroborating the boy’s account, leading to the arrest of 30-year-old Olivehurst resident Kimberly Carnahan on Thursday.

MORE NEWS: Multiple Big Rig Crash Closes I-80 Near Nevada State Line

Carnahan was booked into Sutter County Jail and is facing charges of sexual intercourse with a minor, oral copulation with the threat of retaliation, sending harmful matter to a minor, and threatening a witness. She is being held on $100,000 bail.