A 17-year-old Terrytown man was arrested on charges of aggravated rape and first-degree murder of an 8-month-old child Saturday afternoon, the Jefferson Parish Sheriff's Office said. Arnold T. Ross, of 136 Friedrichs Road in Terrytown, was booked into the Jefferson Parish Correctional Facility. No bond is available on the first-degree murder charge. Ross was arrested after officers responded to a call of an unresponsive infant at 1656 Gary Court, Apt. B, near Gretna. The infant, Da-Von Lonzo, was taken to Ochsner Westbank where he was pronounced dead shortly after arrival, according to a release issued by Col. John Fortunato, a...