Investigation Skills: A Mindset Beyond Police Work
… there are six investigative techniques police usually start with: obtaining relevant documents and performing background checks on suspects; physical and electronic surveillance; use of informants; undercover operations; conducting interviews and interrogation tactics, and laboratory analysis of physical evidence (actually performed by a forensic scientist).
The more obscure the crime, the harder it is to solve, and sometimes the most serious crimes are the hardest to prosecute because the punishment is so severe. Thus it takes a higher level professional to investigate such crimes, in which The Senior Investigating Officer (SIO) plays a pivotal role. Concerns have been expressed, however …