LAPLACE, La. (AP) – Authorities in Louisiana have tripled the reward for information leading to the arrest of whoever shot and killed a 4-year-old girl and her 29-year-old father.
    
The St. John the Baptist Parish Sheriff’s Office announced the new $15,000 reward Tuesday on its Facebook page .
    
The sheriff’s office said earlier that Cameron Mack and his daughter, Cali Mack, were killed the evening of May 29 as Mack carried the child and groceries up stairs to their apartment.