Shaken girlfriend of suspected mom killer calls visit to Tribeca death apartment a ‘nightmare’

Caitlyn O’Rourke’s trip to Tribeca transformed her from college student to a crime suspect.

Wearing a beige Rikers Island jumpsuit, the college senior recounted Thursday how she cut class and headed to Lower Manhattan on Jan. 31 to visit boyfriend Jared Eng — ignoring his warning to stay away.

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