The Staten Island teen accused of beheading his mom’s boyfriend allegedly showed his little sister the mutilated body — then asked if she wanted their mother to live.

“She said, ‘Are you gonna hurt mom?’ ” the suspect’s weeping mother, Alicia Zayas, said of her 16-year-old daughter Bri’s encounter with her blood-soaked son, Damien Hurstel, in the Monday horror.

“And he said, ‘Do you want her to live?’

“And she said, ‘Yes, please.’

“He said, ‘Okay, she’ll live.’ ” 7

Bri then asked her brother if she could leave the blood-spattered bathroom where, sources said, the killer removed some of Anthony Casalaspro’s brain with a spoon. Casalaspro was the mother’s live-in boyfriend.

“Are you gonna tell mom?” Damien then asked his sister.

“No,” she replied, according to a heartbroken Zayas

See Full Page