Hotel cleaning staff should be given basic CSI training and provided with appropriate equipment in a "go bag" so that if in the course of their duties they come across a potential crime scene, they can recognize it as such and be prepared to preserve any perishable evidence.-- 8th of 7, Oct 20 2017 //preserve any perishable evidence// Would this be things like "not polishing away the fingerprints on the knife hilt" and "not rinsing that bit of brain down the shower drain"?
Assuming that the deceased has not been stabbed with an icicle, what kind of perishable evidence will not wait until the police arrive?*
(*This question is calibrated for the UK, where the time taken for police to arrive at a crime scene is often less than 48 hours.)-- MaxwellBuchanan, Oct 20 2017 Of course in the USA, if it's the case of an unarmed black person who's been shot dead, the police will already be there ...-- 8th of 7, Oct 20 2017 random, halfbakery