MILWAUKEE (CBS 58) — A Milwaukee teenager a judge called a "serial rapist" will now spend decades in prison.

"Depraved, inhumane, sadistic, and evil": those were just some of the words Judge David Borkowski used to describe Tremonte Kirk's offenses.

The 17-year-old pleaded guilty in September after sexually assaulting a woman in the elevator of her apartment building.

He was sentenced Tuesday to 35 years in prison, and 20 years on extended supervision.

Kirk was arrested in December 2024, after investigators said he followed a 53-year-old woman into her apartment building near 25th and Wisconsin Ave. and sexually assaulted her in the elevator. He also choked her, then stomped on her leg that was healing from a surgery. 

The woman, Charlotte Nozar, said Kirk also threatened to kill her if she didn't let him do what he wanted.

She spoke publicly at Tuesday's, Nov. 11, sentencing about how the assault changed her life.

"My life was threatened. I was both suffocated and strangled. I was tortured, terrorized, and brutalized," she said. "When they say your life flashes before your eyes, it truly does, and in a nanosecond."

At his plea hearing in September, prosecutors said Kirk's DNA was linked to another sexual assault that happened in October of last year, saying he assaulted a 23-year-old woman who was living inside her car.

It happened in the same area as the December assault, near the Ambassador Hotel. The woman was able to get away from Kirk before he injured or raped her.

Prosecutors asked the judge to consider that incident during Tuesday's sentencing, rather than pursuing a separate case.

Kirk already had a detailed history of sexual assault convictions as a child. 

In 2020, Kirk became an adjudicated delinquent at just 12 years old, after groping two people.

In 2021, he was convicted again after raping a 75-year-old woman during a home invasion.

Kirk spent time in Lincoln Hills youth detention facility for those convictions but was released early in August last year.

Judge Borowski said the system clearly failed Kirk by allowing him to re-offend so many times.

He also noted that Kirk preyed on vulnerable women.

 “You engaged in monstrous conduct," Borowski said Tuesday. “They’re not going to forget what you did to them. You have condemned both of them to some form of a life sentence.”

Assistant DA Samuel Tufford asked the judge to sentence Kirk to 49 years in prison, just shy of the maximum allowed for his charges.

Borowski said he had to give Kirk give credit for pleading guilty to avoid a trial that would further traumatize victims, resulting 

A word used by the judge and the victims today to describe kirk... Was a sociopath. Resulting in his 35-year decision.

The victims and the judge both said it's possible Kirk could be a sociopath, believing he didn't have remorse or concern about his actions.

Prosecutors said Kirk was diagnosed with a conduct disorder in a previous mental health examination.