(WHAS11) A Louisville man has been indicted on the murder of a nine-month-old baby.
20-year-old Matthew Vaughn was watching Karlie Mellick last week, while her mother was at work.
Vaughn told police he was frustrated with the baby and slammed her on the floor and shook her.
Vaughn is the mother's boyfriend. The baby later died at Kosair Children's Hospital.
