CENTEREACH - ? A Centereach man will be in court today facing charges that he killed his fiancee?s grandmother.

Police say 20-year-old Robert Waters beat 90-year-old Florence Trosani inside his home last month.

Cops say they found Trosani when they got a call that Waters needed medical attention.

Trosani was rushed to Stony Brook University Hospital where she was pronounced dead.

Waters is facing a judge on murder charges.

Centereach man accused of killing fiancee's grandmother