While Timothy Leary’s 1970 escape from a minimum security prison in California with the aid of The Weathermen is the stuff of countercultural legend, recently released Federal Bureau of Investigation files reveal a lesser-known detail of the incident: Leary’s ruthless trolling of then Governor Ronald Reagan.

While the FBI file for Timothy Leary has several interesting pieces of information, what really stands out are some conspicuous - and revealing - absences.