Murder defendant Robert Burton, center, is flanked Monday by his defense attorneys Zachary Brandmeir, left, and Hunter Tzovarras during the first day of his trial in Bangor for the murder of Stephanie Gebo.

Defense attorney Hunter Tzovarras tells the Penobscot Superior Court jury how the scales of justice can be tipped during opening statements in the Robert Burton trial for murder in Bangor on Monday.

Murder defendant Robert Burton, center, and his defense team of attorneys Zachary Brandmeir, left, and Hunter Tzovarras listen during opening statements in his trial for the murder of Stephanie Gebo in Penobscot Superior Court in Bangor on Monday.

Assistant Attorney General Donald Macomber shows to the Penobscot Superior Court jury a photograph of Stephanie Gebo, whom he said was killed by defendant Robert Burton in 2015, during the first day of his trial for murder in Bangor on Monday. Justice Robert Mullen is presiding over the case.

Prosecutor John Alsop, right, and a Maine State Police detective listen to opening statements during the first day of the Robert Burton murder trial of Stephanie Gebo in Bangor on Monday.