David Parle served 30 years with the UK Police in various departments; including tactical firearms, drug squad, regional crime squad and divisional CID.
He can talk from experience of the day. Police changes occur with governmental intervention. New procedures are introduced, but its not like on television.
Most crime writers engage their readers from research and then fictionalising their work. Whilst that takes the reader into the authors world it doesn't reflect the day to day reality of the real world. I write from experience but have had to fictionalise the content for obvious reasons. Come with me into the world of the real detective.
My books are based on fact and real issues. Just imagine the mother of a victim being told by a rookie police officer her child is dead, he should have got a neighbour to be there, but does it on his own; he ends up with a lump in his throat and hugging the mother; Police officers can't do that; as they have to deal with other matters during their shift, but the rookie breaks down crying. Then afterwards, vow's never to make the same mistake again. You end up feeling for him.
The real investigation of a crime scene especially a murder scene has set procedures, the pathologist and SOCO are the most important persons at a suspect scene; bodies are not moved until they have completed their investigation. They both use their expertise to gather evidence to confirm a suspicious or natural death.