"He was very casual — that's why nobody paid attention," he added.

As per the reports of a leading US newspaper, the 62-year-old-woman has been identified as Edith Ragin, an NYPD school safety agent. She is currently stable at Bellevue hospital.

The lady herself told cops her son had shot her, reports added.

However, it's unclear whether it was an accident or on purpose. Further investigations are ongoing, confirmed police.