Tucson, Arizona – An Arizona teenager appeared in court yesterday for his murder case.

The 19-year-old man, Clay Brewer, has been charged with a first-degree felony, as well as a second-degree felony aggravated assault.

Here is what happened:

At the age of 17, he moved to Snowflake, Arizona.

He was involved in an incident with a staff member who worked at a youth rehabilitation center in Utah.

Because of his addiction as a young teen, he was forced to attend Turn-About Ranch School where 61-year-old Jimmy Woolsey worked.

One morning, Brewer was sitting by the campfire with other members by him. As Woolsey was walking up to him, Brewer admitted that he “lost his mind” and attacked Woolsey with a metal rebar.

In his defense, he claims that “[The addiction] took over [his] mind,” and that he had “Never once thought of beating someone.”

Woolsey was injured very severely and was rushed to the nearest hospital to be treated.

Unfortunately, he did not survive and passed away on the same day.

After the attack, the other campers quickly tried to run away from Brewer. They ran into one of the cabins where a staff member, Alicia Keller, was sleeping in.

Brewer followed them to the cabin and tried to force his way inside while Keller kept trying to hold the door closed.

He threatened to kill everyone. And while Keller was trying to keep the door closed, her hand and head were slightly reachable from the outside which allowed Brewer to hit her hand and head multiple times with the metal rebar.

He then got her car keys and fled the campgrounds.

Garfield County Police officers later found him and arrested him.

Yesterday, Clay Brewer of Snowflake, Arizona pleaded guilty in court.