They are sometimes controlled by shooting, poisoning or capture followed by gassing. In October 1939 the Nazis started gassing prisoners in Fort VII near Posen. Auschwitz concentration camp was fitted with brand new gassing bunkers in March 1942. The Austrian kapo Rudolf Fiegl participated in gassing inmates. At that point, the Nazis decided to greatly increase the gassing capacity of Birkenau. He committed suicide by gassing himself when Haw was 13. He attempted suicide in his teens by gassing himself. Eichmann now describes the method that will be used, i.e. the gassing of Jews. He attempts suicide by gassing himself and Charlie in his car. Another Christian Scientist Marion Stephens committed suicide by gassing herself in a bathroom. He took part in the gathering of crushed bones and ashes of gassing victims. As early as 1853, he designed a chamber that could kill animals by gassing them. Scarecrow escapes by gassing Bronze Tiger with fear toxin. HSI expressed concerns about the extent to which gassing causes animal suffering. This process is known as "degreening", also called "gassing", "sweating", or "curing".