15 Month old Serenity Slone has died after allegedly receiving head trauma from her mother's boyfriend. The injury initially happened at the Mother's apartment on Shred Road in Bossier Saturday afternoon.

Tristan Williams was arrested for attempted murder after police found evidence he was responsible for the blunt for trauma to the baby girl's head. Those charges were upgraded to 1st Degree Murder when Slone died Sunday Evening.

At this time, Williams remains in custody at Bossier Max.