(CNN) -- "I killed that lady," the 10-year-old boy told a Pennsylvania state trooper, after a 90-year-old woman was found dead in the home of the boy's grandfather. 

Tristen Kurilla, a fifth grader, made the chilling confession Saturday, police said, after his mother brought him to the Pennsylvania State Police Barracks in Honesdale, about 140 miles north of Philadelphia. 

Now, Kurilla is being held at the Wayne County Correctional Facility and charged as an adult with criminal homicide, the Wayne County district attorney's office said. The boy is separated from adult offenders and is being constantly supervised, CNN affiliate WBRE reported. 

The boy admitted to grabbing a wooden cane, holding it against 90-year-old Helen Novak's throat for several seconds and punching her in the throat and stomach, according to the police affidavit. 

Kurilla told police he was angry at Novak because she had yelled at him when he entered her room. He said he wanted to ask her a question. 

Were you trying to kill her? the trooper asked the boy. 

"No, I was only trying to hurt her," Kurilla replied, according to the affidavit. 

The boy was ordered to be held without bail after his arraignment and is set to appear in court October 22. 

Bernie Brown, his lawyer, said he was petitioning the court to get the fifth-grade Damascus Elementary School student out of jail, WBRE reported. 

"Tristen really kind of doesn't have an idea of what is going on," Brown told the station. 

Brown added, "Jail is still jail, no matter what part of the facility you are in." 
Who did Tristen kill? How old is she? Why did he do it? Why? Where did she do that? Why? How old is the boy? Does he go to school? How far has he gotten? Where did the find her? What did he use to choke her? How did he injure her stomach? Did he punch her anywhere else? Did he turn himself in? Who took him to do it? Did he want to kill her? What was his plan? How much is his bail? Does he have a lawyer?
Helen Novak 90 he was angry she yelled at him her room he entered it 10 yes fifth grade his grandfather's home her cane punching her the throat yes his mother no to hurt her he has no bail yes