After Fendrich and Dietrich-Dirschau had been sternly chastised, Fey was sentenced to twenty months in prison and Malskat to eighteen.

FORBES: So You Think You Wouldn't Be Bamboozled By Lothar Malskat's Art Forgeries? [Book Excerpt #2]

Repeatedly he confided to Dietrich-Dirschau his intention to get even with his imperious boss and gain the recognition he craved.

FORBES: So You Think You Wouldn't Be Bamboozled By Lothar Malskat's Art Forgeries? [Book Excerpt #2]

Fey instructed the masons to start hammering whenever anyone approached, warning Malskat and his assistant, Theo Dietrich-Dirschau, to conceal work-in-progress behind wooden panels.

FORBES: So You Think You Wouldn't Be Bamboozled By Lothar Malskat's Art Forgeries? [Book Excerpt #2]