A man from Old Orchard Beach accused of killing his grandmother made his first court appearance Tuesday. 23-year-old Derek Poulin’s lawyer says his client is in shock over the allegations and struck with grief over the loss of his grandmother. Poulin is charged with murder and arson.Tuesday a judge in York County Superior Court read the charges against him. Poulin’s family was also in court. His lawyer says they support him 100-percent and don’t believe the charges are based in fact. Police say 61-year-old Patricia Noel was found dead last week in her home after crews put out a fire there. Poulin also lived in the house, along with his father. The medical examiner says Noel died of blunt injuries to the head and stab wounds. Court documents say Noel described in letters and in conversations with relatives that Poulin had been disrespectful toward her, called her names, and gotten physical with her.Poulin’s being held without bail.