Metro

Beau’s deadly kennel

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He trained his canines to kill so well that one murdered his girlfriend’s son.

Damian “Dread” Jones bragged to his terrified Brooklyn neighbors about the “monster dogs” he created through brutal abuse — but his sadistic training methods went horribly awry when one of the mutts left the 4-year-old boy a lifeless rag doll, residents said yesterday.

“He would hang stuff on trees or the schoolyard fence — stuffed animals or footballs — just so his dogs could rip the stuff up,” said Robin Parkinson, 56, who lives four doors down. “He could clear a block with those dogs.”

Jones routinely punched and kicked his feared canine collective — a pit bull, a husky mix and the cane-corso mix that ripped apart little Jayelin Graham at 9:15 p.m. Friday in his Pacific Street apartment.

“I asked him what kind of dogs are those?” Parkinson recalled.

“Monster dogs,” the master replied.

The Brownsville couple will likely not face criminal charges, sources said, though the Administration for Children’s Services opened an investigation yesterday.

Bawling mom Sequina “Honey” Jubeark returned yesterday to her fetid zoo of an apartment, where streaks of blood trailed from the living room to the bedroom.

“My child is dead!” she wailed.

“If I could take my son’s place I would,” Jubeark told NY1.

“My baby is gone, there’s nothing I can do.”

The horrific mauling happened shortly after Jubeark — who is set to marry Jones on June 10 — returned to the first-floor apartment with her brood. Little Jayelin and his half-brothers, ages 2 and 5, went into a bedroom where the dogs were running free, authorities said.

The boys were alone for only seconds when their mom retrieved keys accidentally left outside. When she got back, it was too late, cops said.

The cane corso had already sank its teeth into Jayelin’s throat, and had so tight a grip with its powerful jaw that the helpless mom, with her 10-month-old daughter slung on her arm, had no chance to free the toddler.

She screamed for help, and a female neighbor tried to dislodge the dog, but was also unsuccessful, police said.

Another neighbor, who identified himself as “Jah,” then shattered the first-floor window in a rescue attempt.

“You could tell by the blood that [the dog] dragged the kid from the bedroom into the living room,” he said.

“The baby was dead. The blood was down all around the abdomen.”

When first responders arrived, Jah and other neighbors warned them to get more men.

“That dog is trained to kill,” he said.

Ten firefighters subdued the vicious dog, which had to be tranquilized, authorities said.

Police later arrested seven people who scuffled with them at the scene, cops said.

A putrid smell permeated the house of horrors where the couple kept a menagerie that included a parrot and fish. Flies hovered over dog feces in every room. A giant parrot cage rose four feet high in the center of the living room. Motorcycle wheels were stacked in the kitchen.

A rectangular shape was all that remained of where dog cages had been kept – and a metal training collar rested on the blood-drenched floor.

NYC Animal Care and Control said it put the cane corso on a 10-day quarantine, but it was unknown whether it would be put on canine death row.

Neighbors said Jones, who belongs to the motorcycle club Ruff Ryders, rode up to the scene at one point Friday, but peeled away at 11 p.m., and has not been seen since.

Jayelin’s grandmother, Amrett Graham, said she’d called ACS in the past, but was ignored.

An ACS spokeswoman last night refused to say whether the agency had previously investigated the home.

The baby’s great-grandfather, Ameer Jamaal-Uddin, 59, worried about the other children.

“What a horrible way to die,” he said. “I didn’t particularly appreciate the dogs. They were vicious animals.”

cgiove@nypost.com