Who becomes the main suspect in king duncan's murder?

Duncan's sons Malcolm and Donalbain became the main suspects of the King's murder.

Explanation:

William Shakespeare's tragic play "Macbeth" tells the story of how an over ambitious Macbeth, along with the persuasion of his wife, brought about his own downfall.

After the prophecy of the three witches came true and he had been made Thane of Glamis and Cawdor, Macbeth began to become more ambitious about his own life. He decided to take over the kingship by himself, killing Duncan and putting the blame on the chamberlains. With the death of their father, the two princes Malcolm and Donalbain fled to England, thereby adding the suspicion on them. Thus, they became the main suspects for the king's murder.

it ends with a marriage, but also with prospero giving up his power.

the tempest is a play written by william shakespeare between 1610-1611, it narrates the story of prospero a magician that sets a storm to wreck a ship, this sets the story to kill the king of naples. while it is a romantic style play, it isn´t traditional because of the ending, it end with the marriage and the magician giving up his powers.