The New York man who went on a bloody rampage that left four dead and at least four wounded shouted “My girlfriend ruined my life!” before committing his final act of brutality — slicing the neck of a man on a Manhattan subway train early Saturday, sources told the New York Post. Read more after the jump…

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(FOX)–Maksim Gelman, 23, was finally captured by police after an alleged stabbing attack on 40-year-old Joseph Lozito on a subway train at around 9:15 a.m. Saturday, the Post reports.

“You’re going to die!” Gelman told Lozito, according to the man’s family.

Gelman was soon wrestled to the ground by three cops, ending a 28-hour rampage during which he allegedly killed his mother’s boyfriend as well as an ex-girlfriend he had been stalking and her mother.

He also allegedly stabbed three men during carjackings and fatally ran over a 62-year-old pedestrian.

Once in custody, Gelman made clear his obsession with Yelena Bulchenko, 20. He was convinced they were an item after a brief tryst that she tried to forget.

“She had to die,” Gelman told cops, according to New York City Police Commissioner Ray Kelly.

“This was so horrendous and bizarre … He did a lot of mayhem in a short amount of time,” said Kelly, adding that the suspect was known to be a frequent drug user.

The reign of terror came to an end after the suspect flew off the handle at a woman aboard a train on New York’s Upper West Side at about 8:45 a.m.

Gelman is expected to be arraigned on charges including murder, assault and robbery.