A writer and filmmaker who taught at the Pratt Institute was found in her Manhattan apartment Tuesday morning with signs of severe head trauma, according to police.

Karyn Kay, 63, called police to her 55th St. and 8th Ave. apartment earlier in the morning for help with her 19-year-old son, according to reports. He is believed to have turned on his mother, beating her ferociously -- officers found him covered in blood inside the residence. He was taken into custody for questioning.

Kay was taken to Cornell University Medical Center where she was pronounced dead .

She is well known for writing and producing 'Call Me', a 1988 feature film starring Steve Buscemi. The movie won awards for screenwriting.

She was also an English teacher at LaGuardia High School of Music & Art and Performing Arts in Manhattan and a visiting instructor at the Pratt Institute.

A police investigation is ongoing.