Opening statements were heard Monday in a Chenango County murder trial. Prosecutors say Jeremy Coates of Norwich is accused of robbing and killing David Green at his home in September 2016. Green died from blunt force trauma. According to court papers Melissa Crispell was Coates’ accomplice and she pleaded guilty to a first degree robbery charge where Crispell agreed to testify against Coates. She is expected to take the stand later this week.