[Royal Wulff]

You gradually decrease cabin pressure until they’re all asleep, then dead. Easily done in an hour.

[gaijin]

You gradually decrease cabin pressure until they’re all asleep, then dead. Easily done in an hour.

OF COURSE..! Good sleuthing.

[ecomcon]

Except that the O2 masks will drop down, causing a pretty big WTH? moment.