Sheena Greathouse, 27, of Sweet Home, was arrested for third-degree assault. She is lodged at Linn County Jail.
Lebanon Police officers responded to the area of South Main and Walker Roads for a report of child abuse in progress at about 3:46 p.m. on Oct. 24, according to a news release.
According to multiple callers, a female adult had assaulted a small child before throwing him into the bushes.
Officers arrived shortly after the calls came in. The investigation confirmed Greathouse assaulted her 4-year-old son.
Officers took the 4-year-old into protective custody and Department of Human Services was called to assist.
The child sustained small scratches and a contusion to his head, and per protocol, was seen by medical professionals. He was released to DHS.
This is an ongoing investigation; anyone with information pertaining to this incident is asked to call LPD at 541-451-1751.