ORANGE COUNTY, Fla. (FOX 35 WOFL) - Denton Smith says his neighbor Autumn Farney was covered in blood and had scratches all over her body when she knocked on their door late Tuesday night.
He ran next door with her as she grabbed her sleeping toddler from his bed.
Smith then went to the back porch
He found Autumn's mom Lori Farney dead.
He said, "There was a puddle of blood everywhere she wasn't moving or breathing. I could see many cuts and it was very horrific and brutal."
He says Adam Farney was sitting on a chair near his mother's body.
He said, "I could see Adam sitting in the chair smoking a cigarette.and i looked at him and crouched down and said 'What did you do?' He said she assaulted him."
A sheriff's office spokeswoman says it started with an argument between mom and son.
Autumn heard the commotion and ran out onto the porch to see what was going on.
Jane Watrel with the Orange County Sheriff's office says, "She saw her brother standing over her mother who had been mortally wounded. The brother had a sharp edged type of knife and had stabbed the mother, the brother then came after her."
Deputies say Adam came out of the home after a standoff with the swat team.
Autumn was taken to the hospital, treated, and released.
Deputies say Adam was baker acted in the past, but they haven't said yet for what.