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Who is Mason Sisk’s stepmother Mary Sisk? Why Mason killed her?

Who is Mary Sisk?

Mary Sisk is Mason Sisk’s stepmother who was killed along with her husband, John Misk, and three other children by his son Mason in September 2019. Mason has been charged as an adult with capital murder for allegedly killing five members of his family execution-style, including his infant brother.

The Limestone County Sheriff’s Office last week identified Mason Wayne Sisk as the suspected killer as he faces capital murder charges in the September 2019 shooting massacre of his five relatives.

Mary Sisk Husband, Children, Family

Mason’s stepmother, Mary Sisk, originally from New Orleans, was a special education teacher for Huntsville City Schools, according to Mountain Gap Schools’ website. Mason’s father, John Sisk, had a number of jobs, including at a Harley Davidson shop, and had graduated from a Paul Mitchell cosmetology school.

When did Mason Sisk kill his family members?

Mason Sisk was 14 years old when he allegedly killed his father, John Sisk, stepmother, Mary Sisk and three young half-siblings by shooting each of them in the head. He is currently 15 years old.

Why did Mason Sisk kill his family members?

According to a report from a juvenile probation officer, Sisk ‘has not shown any sign of remorse’ for committing the atrocities 15 months earlier, just days after learning that Mary Sisk was not his biological parent.

Charged with the September 2019 shooting massacre of John, Mary and three younger siblings in Elkmont, Mason Sisk remains in custody where he is being held without bond as of Friday afternoon.

Mason Sisk shows no remorse for family killing

The document obtained by WAAY states: ‘Mason does not seem bothered by the fact he’s accused of murdering his family… While in detention, he has not talked about his family at all.’

Sisk’s probation officer noted that, other than getting several warnings and two disciplinary infractions, the teenager had been a model inmate at the Tennessee Valley Juvenile Detention Center. “While in detention, Mason follows directions, does his schoolwork and interacts well with others,’ the report reads.”

What we know so far

In deciding to transfer Sisk’s case from juvenile to adult court, a judge said there is no evidence that the 15-year-old belongs in a mental health institution.

On the day of the incident, around 11 pm on September 2, 2019, Sisk called 911 to report a shooting.  The then-14-year-old boy initially told responding deputies that he had been in the basement of his family’s home in the 2500 block of Ridge Road in Elkmont when he heard gunfire upstairs.

According to investigators, Mason later confessed to killing his family and led officers to the murder weapon, a 9mm pistol, which was legally held at the residence.

The victims of the shooting were identified as Mason’s father, John Sisk, 38; his stepmother, Mary Sisk, 35; his two half-brothers, six-month-old Colson and six-year-old Grayson, and his half-sister Aurora, aged five.

What Sisk Mason’s cousin Daisy McCarty says

Mason’s cousin Daisy McCarty told the station WAFF last year she believes the killings were sparked by a revelation that Mary Sisk was not Mason’s birth mother.

“He didn’t know any different of who his mom was. And they just recently told him, and I think that’s really what triggered the little boy, to be honest with you,” she said.

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