A psycho son fatally stabbed his mother and slashed his father’s throat in a tranquil Brooklyn neighborhood early yesterday — then tried to kill himself by jumping in front of a subway train, police sources said.
After leaving his parents for dead at their Howard Place home in Windsor Terrace around 8 a.m., crazed 31-year-old Ryan Devaney, covered in blood, told a neighbor, “I did something bad.”
As he ran off, his mortally wounded mother, Margaret, who was slashed in the eye and stomach, stumbled outside the family’s well-kept row house across from a Catholic school and gasped, “He stabbed us,” one witness said.
The mom — a beloved 58-year-old retired telephone-company worker — then died. Sadly, her family has suffered tragedy before: Her brother, NYPD cop Brian Murray, was killed in 1976 while defusing a bomb at a police firing range.
Meanwhile, her husband, Raymond Devaney, 70, a retired elevator expert who once worked in the WTC, also collapsed outside the home. He was clinging to life at New York Methodist Hospital after a doctor neighbor managed to stanch the blood gushing from his gaping neck wound.
“I’m in shock — [the parents are] incredibly kind and generous people who deserved the best,” said the doctor, David Coun, who lives next door.
Ryan Devaney used a 6-inch household knife with a black handle and 4-inch blade to attack his parents, sources said.
He has been charged with attempted murder.
Witnesses said that after the stabbing, he tried to kill himself by jumping in front of a northbound G train at 15th Street.
He was hit by the train, and witnesses then reported seeing “a puff of feathers” from his down jacket, sources said.
He was listed in serious but stable condition at Lutheran Medical Center, where he remained in police custody.
Neighbors said his parents had struggled with their deeply troubled, drug-addled son — who was prone to violent outbursts — for years.
“Ryan was sick. Margaret was going broke trying to get him mental help,” said distraught neighbor Angela Ryan, who added that the suspect had been battling mental issues since at least the sixth grade.
Additional reporting by Larry Celona