An 85-year-old retired postal worker was repeatedly stabbed inside her Brooklyn home — and police have her unhinged grandson in custody in connection with her death, police and law enforcement sources said Wednesday.
Julia Boomer was found inside the Throop Avenue apartment in Bedford-Stuyvesant shortly before 10 p.m. Tuesday and rushed to Kings County Hospital, where she was pronounced dead, police said.
Sources said Boomer’s 22-year-old grandson left but returned later and was taken into custody for questioning by detectives from the NYPD’s 79th Precinct.
The victim and her grandson allegedly got into an argument that turned violent. Paul Martinka
The young man, whose name was being withheld because he has not been charged, was hospitalized Wednesday, according to sources.
Boomer and her grandson allegedly had a spat that turned violent, and had at least one prior domestic incident, the sources said.
The elderly woman was stabbed multiple times in the head and torso, the sources said.
“Everybody’s very shocked,” Boomer’s former son-in-law told The Post on Wednesday. “You know, a big ball dropped there. They are nice people.
“It’s just sad that you make kids, and kids do their own thing. It’s sad that today kids are different,” he said. “God bless her soul.”
The former son-in-law, who asked not to be identified, said Boomer was retired from the US Postal Service, and that her son was also a postal worker.
He described her grandson as “very nice,” and said he has a young daughter and an uncle who is an NYPD cop.
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“It’s beyond me to find out what was going on there,” he said. “I don’t know. I cannot say. This is a family problem.”
Records show that the grandson has three open criminal cases in Brooklyn, all involving a former girlfriend, according to sources.
In the most recent arrest on Oct. 27, 2025, he was charged with violating an order of protection filed on behalf of the ex, sources said. Before that, he’d been busted for grand larceny after allegedly wiring himself $320 from the woman’s bank account July 20, and he was also accused of yanking a phone from her hand, leading to other charges, court documents and sources said.
Neighbors were left shocked Wednesday by Boomer’s vicious stabbing.
“I’m past angry — I’m foaming at the mouth,” local William Crandall said. “I’m sad. I’m torn out about this.
“Cancer didn’t call her, heart attack didn’t call her, dementia didn’t call her — a vicious act by someone that she knew took her away from Bedford-Stuyvesant.”
Additional reporting by Amanda Woods