A former CIA officer who is accused of spying for China claims to have memory issues, saying he believes he has early Alzheimer’s disease.

In a court filing on Wednesday, an attorney for Alexander Yuk Ching Ma requested a competency evaluation and a hearing to determine his competency to stand trial.

Birney Bervar, Ma’s court-appointed attorney, said that Ma’s condition is “making it hard for him to remember things and affecting his ability to assist properly in his defense.”

Ma, who worked at the CIA from 1982-1989, was arrested in August and charged with violating espionage after meeting with Chinese intelligence officials and allegedly sharing information about the CIA.... Read More: The Hill