Fingerprint Specialist 2 Walkthrough

on the jar of the plant...
on the left painting,
on the back of the chair,
on the clock
on the two doors,
in the bathtub,
on the handle of the flush of the toilets,
on the mirror,
at the end of the bed in the right side,
on the lamp on the desk
on the right faucet of the washbasin


Source: Escape Games 24