The prosecution said the developers failed to use the first falling window as a reason to “go back to the drawing board”. The window pane which killed Mr Ferris weighed 130kg and was roughly 85cm wide and 190cm tall, and it fell about 300ft. Our thoughts remain with them at this time.” Our thoughts remain with his family and friends. A Foster + Partners spokesperson said: “Our thoughts remain with Mr Ferris’s family, as they have since October 2018.