It instructs tourists to go to the second floor of the Casino Lisboa, another Stanley Ho property.

FORBES: Police Bust More Than 100 Hookers At Las Vegas Sands' Venetian Macau

He said he did not go up to the second floor where Mrs Young lived, because he had "no need to" as the the lift doors could not be opened without a key.

BBC: Death fall lift engineer was 'highly experienced'

The family, despite their grief, eventually decided it was time to go through the old man's stuff, which was piled high in a second-floor bedroom that was always kept locked.

CNN: Apparently This Matters: Pet tortoises