A 54-year-old Louisiana man has been sentenced to 50 years in prison and physical castration after pleading guilty to multiple counts of raping a 14-year-old girl. Glenn Sullivan, Sr., 54, of Springfield, pleaded guilty on Wednesday, April 17, to four counts of second-degree rape, according to 21st Judicial District Attorney Scott M. Perrilloux. The case originates from an investigation conducted by the Livingston Parish Sheriff’s Office in July 2022. A young woman informed detectives that Sullivan had raped her several times while she was only 14 years old. Read: Louisiana Man, Paralyzed In H…