Norman Reedus and supermodel Helena Christensen’s troubled son, Mingus Reedus, asked a startling question one day after he was arrested for allegedly assaulting his girlfriend .

The 25-year-old model was walking outside of his apartment in New York City on Sunday when he asked The Post , “You want to watch me kill myself?”

Mingus was wearing the same green shorts and black T-shirt he wore to court a day earlier, and he carried his cat in a bag.

He also took a shot at a reporter for The Post Saturday as he exited the courtroom, calling her “ugly.”

Mingus was taken into custody on Saturday for alleged domestic violence after officers responded to a call at a Manhattan address about a female who had taken pills and was threatening to commit suicide.

A police source told The Post t

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