Manipulation cases have figured prominently in philosophical debates about whether moral responsibility is in some sense deeply historical. Meanwhile, some philosophers have thought that folk thinking about manipulated agents may shed some light on the various argumentative burdens facing participants in that debate. This paper argues that folk thinking is, to some extent, deeply historical. Across three experiments, it is shown that a substantial number of participants did not attribute moral responsibility to agents with manipulation in their histories. The results (...) of these experiments challenge previous research indicating that folk thinking is not historicist. To the extent that folk thinking is relevant to philosophical debates about the nature of moral responsibility, the results helpfully illuminate the dialectical burdens facing competing conceptions of responsible agency. The present research also adds to the psychological literature by elucidating how lay conceptions of about free will and personal identity predict folk historicism. (shrink)