He had the most to gain, since Duncan had named him Prince of Cumberland and heir to the throne.
Malcolm was a suspect in the murder of King Duncan because he fled Scotland immediately after his father's death, which made him look guilty of being involved in the assassination plot. Macbeth, the true culprit, used Malcolm's hasty departure to cast suspicion on him and secure his path to the throne.
Donalbain and Malcolm are the sons of King Duncan in Shakespeare's play "Macbeth." They suspect that Macbeth is responsible for their father's murder. To ensure their safety, Donalbain flees to Ireland and Malcolm goes to England.
England.
In Macbeth? King Duncan names his son Malcolm The Prince of Cumberland who is the heir apparent. After his murder, Malcolm flees so Macbeth is named to be King but later on in the play Malcolm, Duncan's son, becomes king.
King Duncan had two sons: Malcolm and Donalbain. After fleeing Duncan's murder, Donalbain fled to Ireland, and Malcolm fled to England. Malcolm later led the attack on Dunsinane and took the throne after Macbeth was killed.
Ross and Macduff suspect King Duncan's sons, Malcolm and Donalbain, of murdering their father because the appearance of guilt points towards them. After the discovery of Duncan's body and the murder weapon found on his sons' servants, suspicion falls on Malcolm and Donalbain as they flee the scene, casting doubt on their innocence.
Malcolm and Donalbain, the sons of King Duncan, safely escape the ambush in Macbeth by fleeing to England and Ireland, respectively, for their own safety. They suspect that they will be the next targets for murder after their father's assassination.
They both flee the country, which results in both sons looking more guilty of King Duncan's death.
The three witches in the beginning of the play told Macbeth that he will be King. And his own ambition pretty much lead him to kill Duncan. *Lady Macbeth also has an influence in the murder of Duncan*
Not at all. He and Donalbain fled the country after his father's murder, thus casting suspicion on themselves and enabling Macbeth to succeed. Before the murder, it was a problem for Macbeth's ambition that Malcolm had been named prince of Cumberland and thus heir apparent by Duncan. But that was Duncan's doing, not Malcolm's.
Duncan is seen as the kind and trusting king, while Malcolm is depicted as more suspicious and doubtful, especially after his father's murder. Duncan's naivety contrasts with Malcolm's more cautious nature as he learns to navigate the dangers of the political landscape.
Malcolm will be the next king
At the end of Shakespeare's play Macbeth; Malcolm, son of Duncan is proclaimed to be King of Scots. (In actual history, Macbeth was succeeded by his son Lulach; who was then was assassinated and deposed by Malcolm)