Long Island teacher, charging documents state, brutally murdered his wife’s sister at their shared home in North Massapequa, Nassau County – his wife was not at home at the time

Joseph Horner, 27, admitted to the brutal murder of his sister-in-law, Victoria Castle, 25, whom he sexually assaulted before strangling her while his wife was away on a bachelorette trip

Horner allegedly told cops that he asked Castle to help him move a piano before attacking her from behind, placing her in a chokehold until she went limp, at which point he stripped and raped her

After the rape and murder, Horner allegedly dialed 911 and waited for the cops to show up and admitting to detectives at the scene

Horner was charged with second-degree murder on a felony complaint, but has entered a not guilty plea – he is being held without bail

Long Island music teacher rapes Joseph Horner [photo], has been accused of strangling his sister-in-law whom he lusted over for years with wife out of town

Victoria Castle, a 25-year-old graduate student from the Long Island, New York, was raped and strangled to death last month.
The killer is her brother-in-law who authorities said has been obsessed with her.
Ironically when Joseph Horner married her sister, Alexia, Castle gushed over him as “one of the most wonderful people in the world,” in a Facebook post.
“My sister, my person, my partner in chaos, is now married to one of the most wonderful people in the world,” reads Victoria Castle’s message accompanying a photo of her accused killer Joseph Horner sharing a post-nuptials kiss at their wedding venue.
“I love you both forever!”.
Fast forward three years and Victoria Castle is brutally assaulted and killed by the same man she gushed over when he joined her family.

Joseph Horner, according to the charging documents, raped and strangled his wife’s 25-year-old sister-in-law, Victoria castle, [photo], at their shared home in North Massapequa, Nassau County. His wife was not at home at the time

The Long Island doctoral student who was allegedly raped and strangled to death by her obsessed brother-in-law gushed over him as “one of the most wonderful people in the world” in a haunting Facebook post after he married her sister.
“My sister, my person, my partner in chaos, is now married to one of the most wonderful people in the world,” reads Victoria Castle’s message accompanying a photo of her accused killer Joseph Horner sharing a post-nuptials kiss at their wedding venue.
The post concludes with the now poignant “I love you both forever!” .

Castle allegedly allegedly posted this praise of her newly minted brother-in-law on Facebook when he married her sister. The same man would turn around to rape and murder her, shortly after

Less than three years later, Horner, 27, stands accused of Castle’s brutal murder, sexually assaulting and then strangling her while his wife was away on a bachelorette trip, cops said.
Prosecutors said at his arraignment that Horner was “obsessed” with Castle for more than a decade before the vicious attack, and lusted over the victim for nearly a decade.
The attack allegedly took place in their shared North Massapequa home June 29.

Victoria Castle [right], with her sister Alexia “Allie” Horner, the day her sibling married Joseph Horner, the man now on trial for her murder

Horner [right], and his wife Alexia, [center], lived in the upstairs apt of the multi-family house in , while his wife’s sister Vitoria Castle [left], lived in the ground-floor unit in Nassau County, NY

Horner, a music teacher in the Oceanside School District, lived in the upstairs apartment of the multi-family house with his wife, while Castle, a PhD student at Stony Brook University, lived in the ground-floor unit, according to the Nassau County District Attorney’s Office.
He allegedly asked Castle, a PhD student at Stony Brook University, to help him move a piano before attacking her from behind, placing her in a chokehold until she went limp, at which point he stripped her naked and raped her, officials said.
Afterwards, he called 911 and waited for the cops to show up, admitting to detectives that he had committed the heinous act.
CPR was administered, and castle was transported to a nearby hospital, where she was pronounced dead, police said.

Victoria Castle was a PhD student at Stony Brook University was found dead in a Massapequa home, when her killer called 911, then waited for cops to arrive to confess his crime

Joseph Horner [wearing regulation jail uniform], allegedly turned himself in and was arrested at the scene on June 29. Seen escorted by police on June 30, he was charged with second-degree murder on a felony complaint, but has entered a not guilty plea. He is being held without bail

He was arrested for homicide at the scene.
Horner was charged with second-degree murder on a felony complaint.
He has entered a not guilty plea and is being held without bail. 
if convicted as charged, he faces 25 years to life in prison.
On Wednesday, the Oceanside School District said Horner had been placed on indefinite leave pending an investigation.