His residence was raided in 1787. Excerpts of the Illuminati found at his residence were published by the Bavarian government under the title “Einige Originalschriften des Illuminaten-Orderns.” Their purpose was to discredit the Illuminati, and some of these documents paint a very damning picture of the order.
Knigge cautioned in Philo’s Reply, “Everything published was done so out context and in part presented to the public in a very false light (123).”
More information can be found at the Conspiracy Archive Blog.
A short biography of de Bassus can found on the website of Hotel Albrici, located in his hometown Poschiavo, Switzerland. Poschiavo remembers de Bassus not as a sinister conspirator, but as “a gentlemen with the good manners befitting his experience in the refined society of the German court.”