Nearly 65 years after being convicted of conspiracy during the McCarthy era, a 98-year-old woman has asked that a federal judge throw out her conviction after previously sealed court documents appear to show that a key witness lied during testimony.

Miriam Moskowitz was found guilty in 1950 of conspiring with two men to lie to a grand jury investigating allegations of theft of U.S. atomic secrets. Now, she says, it’s time to set the record straight.