Sheboygan, Wis. (WFRV) - Disturbing new details were revealed Friday in the case of an elderly woman who police say was killed by two teenage boys.

Local Five has learned that both suspects involved in the murder are 13 years old and will be tried as adults.

One of the suspects, Antonio Barbeau is the great grandson of the victim, who we now know is 78-yearoold Barbara Olson of Sheboygan Falls.

The other suspect was a friend of Barbeau's, 13-year-old Nathan Paape.

Prosecutors say Nathan's mother, dropped the pair off at Olson's house in Sheboygan falls, unaware that they were carrying weapons.

Investigators say the two were intent on stealing and killing.

Once inside the home prosecutors say the boys used a hatchet and hammer to brutally kill Olson.

They then dragged her body into the garage, unable to dispose of her body they stole her car, eventually leaving it with the keys inside while they went to eat pizza.

Prosecutors say more gruesome details are yet to come.

Bond for the boys was set a $1,000,000. Their next court date is set for October 2nd at 2:30 p-m.

We'll have much more coverage on this developing story tonight on Local 5 News at 4, 5, and 6.