Ken's invitation is a holotape in Fallout 4. It is a message from Carl Everett to Ken about a potential score that he and Tanya could take.
Location[]
It can be found on the body of Ken Standish in the second story of a blue house northeast of the Jamaica Plain town hall.
Transcript[]
Hey, Ken, it's Carl. You two still looking for a score? I got a lead for you. You know Sal? Ex-Gunner? She's after the Treasures of Jamaica Plain. Biggest haul in the Commonwealth, if you can get past the ghouls. I know you and Tanya have the skills. This could be big. You in?
Related quest[]
Listening to the tape starts Find the Treasures of Jamaica Plain and adds a map marker for Jamaica Plain.