One of the plotters in the 2017 murder of popular Toronto hairstylist Fabio Sementilli at his Los Angeles home pleaded guilty to second-degree murder Friday.

Now, Christopher Austin, 38, is expected to point the finger at Sementilli’s merry widow Monica, who is scheduled to go on trial for first-degree murder on Tuesday.

Austin will be sentenced on April 30. He faces 16 years to life in prison.

Monica Sementilli and her paramour, Robert Baker. He pleaded last summer to first-degree murder in connection with the death of her husband Fabio. She goes on trial April 2. LAPD
Monica Sementilli and her paramour, Robert Baker. He pleaded last summer to first-degree murder in connection with the death of her husband Fabio. She goes on trial in December. LAPD

Prosecutors allege Austin conspired with Monica and her paramour Robert Louis Baker to murder Fabio Sementilli while he sipped a glass of wine and smoked a cigar on his patio on Jan. 23, 2017.

Cops claim the motive was a toxic combination of love, sex and a fat insurance policy.

Monica Crescentini, 49, and her convicted sex offender boyfriend Robert Louis Baker, 58, face their murder trial in October.
Monica Crescentini, 49, and her convicted sex offender boyfriend Robert Louis Baker, 58, were charged in the death of Fabio Sementilli.

According to the criminal complaint, Monica Sementilli tipped off Baker — a former porn star — that Fabio was alone at their home the afternoon of the murder. Baker and Austin then viciously attacked him as he sat on the back patio.

Austin held Fabio down and covered his eyes while Baker stabbed him. Austin admitted he stabbed the Wella vice-president in the neck with a knife.

Baker flew Austin from Anchorage to Los Angeles the month of the murder. He later received a roll of gold coins for his role in the murder.

Beloved Toronto hairstylist Fabio Sementilli with his mother Maria
Beloved Toronto hairstylist Fabio Sementilli with his mother Maria, who has since died. SUPPLIEDPhoto by SUPPLIED /SEMENTILLI FAMILY

Monica Sementilli, 52, is awaiting trial for murder and conspiracy. Jury selection in her case is scheduled to begin Tuesday.

Baker pleaded no contest in July 2023 to one count each of first-degree murder and conspiracy to commit murder. He also admitted the special circumstance allegations of murder for financial gain and murder while lying in wait.

Monica and Baker were arrested by LAPD homicide detectives in June 2017 and charged with murder and conspiracy.

Monica and Fabio Sementilli. Cops allege she conspired with her lover to murder the beloved hairstylist. FACEBOOK
Monica and Fabio Sementilli. Cops allege she conspired with her lover to murder the beloved hairstylist. FACEBOOK

Initially, it appeared that Baker would keep it zipped, even telling cops that his gal pal “had nothing to do with it.” Now, as he faces possibly decades in prison, that stance may have changed.

But in the indictment, cops allege Monica forwarded an email to Baker providing instructions on how to access her home video surveillance system, notified him that her husband would be alone on the afternoon of Jan. 23, then left to go shopping to establish her own alibi.

During the attack, Baker cut himself leaving behind his DNA.

Monica allegedly waited for her youngest daughter to find her father’s dead body before she returned home. In addition, she reportedly pestered an LAPD detective asking why Fabio’s insurance proceedings were being withheld.

Detectives believed Baker and Monica Sementilli were engaged in a torrid sexual affair for the previous 18 months, and she stood to gain a sizeable benefit — about $2.3 million— from a life insurance policy on her husband.

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