Aubrey N. Armstrong, left, one of four people charged in the Nov. 23, 2015, drug-related beating death of Joseph Marceau in an Augusta apartment, looks at his attorney Brad Grant during opening day of his murder trial on Tuesday at the Capital Judicial Center in Augusta.

Justice Daniel J. Billings speaks Tuesday at the Capital Judicial Center in Augusta during the opening of the murder trial for Aubrey N. Armstrong, one of four people charged in the Nov. 23, 2015, drug-related beating death of Joseph Marceau in an Augusta apartment.

Assistant Attorney General Johnathan Nathans holds up a photo of victim Joseph Marceau as he makes an opening statement in murder trial of Aubrey N. Armstrong on Tuesday at the Capital Judicial Center in Augusta.

Defense attorney Brad Grant makes an opening statement in murder trial of his client, Aubrey N. Armstrong, on Tuesday at the Capital Judicial Center in Augusta.

Aubrey N. Armstrong, left, one of four people charged in the Nov. 23, 2015, drug-related beating death of Joseph Marceau in an Augusta apartment, looks at his attorney Brad Grant during the opening day of his murder trial on Tuesday at the Capital Judicial Center in Augusta.

Aubrey N. Armstrong, left, one of four people charged in the Nov. 23, 2015, drug-related beating death of Joseph Marceau in an Augusta apartment, looks at his attorney Brad Grant during the opening day of his murder trial on Tuesday at the Capital Judicial Center in Augusta.