Several employees of the Ashoka Hostel in Chungking Mansions in Tsim Sha Tsui confirmed Lucidi had stayed there.
Hostel owner Gurjit Kaur told the SCMP that Lucidi kept to himself, but was a “friendly and humble guy” when they spoke.
“He was healthy and fit and happy-faced,” she said on Saturday. “I feel very sad.”
Kaur said she saw Lucidi twice on Thursday, once when he asked for housekeeping to clean his room around noon and again around 4pm when she left the hostel.
She said police visited the hostel on Saturday morning to collect his belongings, including a laptop computer.
The source confirmed Lucidi was a tourist staying at the hostel, and police had found his passport there. Lucidi had described himself as a Hong Kong-based photographer.
A night shift worker, who declined to be named, said he had spoken with Lucidi several times, with the Frenchman telling him he was in Hong Kong on holiday.
“He told me he was going to hike a mountain when I asked where he was going. He said he wanted to hike a lot when he was here,” the worker added.
Police said Lucidi arrived at Tregunter Tower soon after 6pm on Thursday and told a security guard he was visiting a friend on the 40th floor. He entered a lift before the guard found out the resident did not know him.
Security camera footage showed Lucidi getting out of the lift on the 49th floor and was later spotted on staircases on the top floor.
Security guards also found the lock to the top floor had been forced open, but failed to locate him. Lucidi was later found dead on the ground level.
This article was first published on SCMP.