An 18-year-old Baton Rouge man was indicted Wednesday on second-degree murder in the Sept. 24 death of his girlfriend's 8-month-old daughter.
Vincent Cummings, who was 17 at the time of the incident, also was charged with cruelty to a juvenile by an East Baton Rouge Parish grand jury.
A Baton Rouge teenager was arrested Monday and accused of murder after an infant died Sunday, allegedly while under his care.
An autopsy revealed Katelynn Carter suffered multiple blunt-force trauma. She died at a hospital after being taken there unresponsive.
Cummings, of 526 N. 24th St., admitted to the investigators that he committed acts of physical abuse on the baby, Baton Rouge police have said.
The case has been assigned to state District Judge Tony Marabella.