all tell u who a is
1.ShawnA
2.Toby but Toby does not have A in his name so he not that much A material
3.MonA
4.Ezra
Thats who A is.
and Ezra fitz knew Alison dilaurentis because they dated for a short time.
But Ezra from the beggining when he met Aria he knew her but he just pretended to not know who she was.
and Alison diluarentis told ezra she was 18 so ezra belived she was 18 so she dated him
and then when she walked home from the barn she came to her house and got in the car and said did i miss a date or some thing
then ezra said god alison or god i actally like u
so that what i saw so if u did not see season 4 u can go on netflix if u have a account also tuesday at 6:00-7:00pm
season 5 is AWESOME so watch it. its good