Steuben County Court was filled with forensic experts and investigators Tuesday. They detailed and analyzed evidence from the Corning home of Clark Van Etten, who was killed last June. Marland Brooks is on trial for murdering Van Etten. Our Lara Greenberg tells us what the experts had to say about the crime scene

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STEUBEN COUNTY, N.Y. -- Graphic photos of Clark Van Etten’s body were shown to the jury as a medical examiner testified about his cause of death.

Two stab wounds to Van Etten’s heart ended his life last June. Thirty-nine-year-old Marland Brooks is accused of killing him in his Corning apartment.

The medical examiner testified that Van Etten suffered eight sharp force wounds on his hip, chest and arms. He also had a number of abrasions throughout his body.

The medical examiner testified that some of the wounds in Van Etten's arms may have been defensive wounds, acquired during a struggle.

"There was nothing in that report or nothing in the autopsy or nothing from the testimony that I felt took away from the determination of whether or not there was self-defense," said defense attorney David Morabito.

"What she described were multiple stab wounds to the victim, which I think supports the idea that this is a homicide, this is a murder and not something which was an act of self-defense, which is what was brought out in the defense's opening statement," said Steuben County District Attorney Brooks Baker.

Investigators, a scientist and a DNA expert also took the stand. They testified to finding blood at the crime scene, on the car with which Brooks left the scene and on Brooks' clothing.

Testimony continues Wednesday.

Brooks is charged with two counts of murder, robbery and criminal possession of a weapon.

The DA plans to call at least half a dozen more witnesses in the coming days.