Opening statements got underway this morning in the trial of Marcus Bivins.

He's charged with killing a homeless woman outside Grand Rapids Community College more than a year ago.

34-year-old Jeanne Huntoon died of a stab wound to the neck in April of 2016. Investigators say Bivens attacked Huntoon and hid the body near a campus parking ramp.

Related: Murdered woman's mother: She's still 'shining on us'

Defense Attorney John Grace told jurors Bivins was criminally insane at the time of the attack. Kent County Prosecutor Chris Becker says that is not the case. He is asking jurors to find Bivins guilty of first-degree murder.

"You have the defendant right there admitting he caused the death. Intending to cause her death," Becker said in Court Tuesday, July 18. "He appreciates the wrongfulness of his conduct, he knows what he did was wrong -- but that didn't stop him from doing it.''

The trial is expected to last through Wednesday, maybe Thursday.

If convicted of first-degree murder, Bivins faces a mandatory sentence of life in prison.

►Make it easy to keep up to date with more stories like this. Download the WZZM 13 app now.

Have a news tip? Email, visit our Facebook page or Twitter.