Tarik Saleh was forced to shift shooting from Cairo to Casablanca after the production was shut down by the Egyptian state security service.
Inspired by the murder of the Lebanese Arab singer Suzanne Tamim in Dubai in 2008.
The Nile Hilton hotel was rebranded as The Nile Ritz-Carlton in 2015, and is located at the Tahrir Square in Cairo.
Egypt scores midway in the world ranking of murder rates so is relatively peaceful.
Police commander Farez is listening to music by Ya Mesafer Wahdak.