A surprise bystander showed up to watch the trial of accused killer nanny Yoselyn Ortega on Tuesday — Manhattan District Attorney Cy Vance.
Vance — whose prosecutors are trying Ortega in the gruesome 2012 slayings of 2-year-old Leo Krim and his 6-year-old sister, Lulu — told reporters during a break that he was there just to “see how our system is doing.
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“I have been to the openings and not the expert testimonies, had some time, and I’m interested on how this one is going,” Vance said.
“It’s been a very interesting morning,’’ he said after prosecution witness Dr. Ali Khadiv, who interviewed Ortega after the carnage, continued his second day on the stand.
Khadiv has countered the defense’s claims that Ortega was too crazy to know what she was doing and “heard voices’’ directing her to fatally knife the little children who were in her care.
Asked how he thought the case was proceeding, the DA said, “I just think it would be unwise’’ to comment since it is continuing.
“But it’s always a good idea to stop in to see cases in the courthouses and to understand better how the cases are proceeding and see how our system is doing,’’ he said.
Vance left just before the lunch break around 1 p.m.
Earlier in the morning, Khadivi testified that Ortega “had the capacity to form an intent” when she killed the Krim children in the bathroom.
“While she is in the bathroom she forms other intentions — by trying to save her life by putting cloth on top of her wound,’’ he noted.
Ortega allegedly told cops after the heinous slayings that she was mad at their mother, Marina Krim, because her boss told her she would have to help out more around the house. Ortega also perceived other slights.
“She felt insulted, so humiliated. ‘Any nanny has a MetroCard, I didn’t have a MetroCard,’ ” Ortega griped to Khadivi, according to his testimony.