OKLAHOMA CITY (AP) - An Oklahoma pharmacist has been sentenced to life in prison with the possibility of parole for first-degree murder in the shooting death of a teenager who tried to rob the south Oklahoma City pharmacy where he worked.

Fifty-nine-year-old Jerome Ersland was sentenced Monday after Oklahoma County District Judge Ray Elliott rejected a defense motion to suspend the sentence.

Ersland had no reaction and said nothing as the sentence was handed down. As he left the courtroom - he responded to a reporter's shouted question by calling the sentence "an injustice of a monumental proportion."

A jury convicted Ersland and recommended the life with the possibility of parole sentence for the May 2009 shooting of 16-year-old Antwun Parker.

Defense attorney Irven Box said the conviction and sentence will be appealed.