A 29-year-old cellphone store manager says she will never be the same after a masked teenager robbed her at knifepoint inside a Metro by T-Mobile store in Co-op City.
Police say surveillance video from the store shows a masked teen entering the business on the morning of Jan. 2.
Kiara, the area manager at the Bartow Avenue location, said she was stunned to learn the suspect was only 17 years old…