Boyfriend 'snapped and slit 17-year-old girlfriend's throat in jealous rampage after seeing her kiss someone else at a concert

Boyfriend 'snapped and slit 17-year-old girlfriend's throat in jealous rampage after seeing her kiss someone else at a concert' - before posting a photo of her body on Instagram

The boyfriend of a 17-year-old social media star may have murdered her in a jealous rampage after she kissed another man while attending a concert in Queens on Saturday night, officials said. 

Oneida County District Attorney Scott McNamara on Tuesday revealed the possible motive for why Brandon Clark, 21, allegedly slit Bianca Devins' throat and posted photos of her body on Instagram.

On July 13, 2019, Devins, Clark, and a mutual friend named Alex attended a performance by Canadian singer Nicole Dollanganger in New York City.

Following the show, Clark and Devins returned to Utica. The two engaged in an argument, likely regarding a kiss between Devins and Alex. Eventually, Clark began assaulting her, slicing her neck with a long knife that he'd hidden by his seat. Devins died in the early morning hours of July 14. Her body, nearly decapitated, was left in the car, as Clark built a bonfire and listened to the song "Test Drive" by Joji.

After Devins' death, Clark called numerous family members. His call resembled a suicide note, prompting his family to call 9-1-1. He posted photographs of Devins' body to a Discord server, accompanied by the caption: "sorry fuckers, you're going to have to find somebody else to orbit." Orbiting is the act of following a person online, requesting pictures from other users, and in some cases stalking. A video of the murder was also created. By 7:00 AM, Discord users had notified the police, who received "numerous" calls, including one from Clark, and made contact with Devins' family. In his call to the dispatcher, Clark said:

"My name is Brandon, the victim is Bianca Michelle Devins. I'm not going to stay on the phone for long, because I still need to do the suicide part of the murder-suicide."

Upon the arrival of law enforcement, Clark stabbed himself in the neck. He lay across a green tarp concealing Devins' body, and posted more photos online. A suicide note and message were found, the latter reading: "May you never forget me." The next day, police confirmed that the victim was Devins, and charged Clark with second-degree murder.

Having "had the knife and equipment to videotape the killing," authorities reported the possibility that he had planned the murder. Police Sgt. Michael Curley believed Clark desired fame. Oneida County assistant district attorney Sarah DeMellier claimed that he gave various explanations for the killing to multiple people. He had made online searches on how to find the carotid artery, how to incapacitate or kill someone, and general searches for choking and hanging.

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